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}, { "sentUtc": "2026-09-01 20:12:42", "sent_unixtime": 1788293562, "noticeIdentifier": "DOI-USGS-CALVO-2026-09-01T15:18:22+00:00", "noticeType": "Weekly Update", "noticeTypeCd": "WU", "noticeCategory": "Scheduled Update", "obs": "calvo", "obsFullname": "California Volcano Observatory", "volcanoes": "", "sections": [ { "synopsis": "CA volcanoes were at normal background levels of seismicity and deformation during the past week.", "colorCode": "UNASSIGNED", "alertLevel": "UNASSIGNED", "volcanoCd": null, "volcanoName": null, "vnum": null } ], "notice_url": "https:\/\/volcanoes.usgs.gov\/hans-public\/notice\/DOI-USGS-CALVO-2026-09-01T15:18:22+00:00", "notice_data": "https:\/\/volcanoes.usgs.gov\/hans-public\/api\/notice\/getNotice\/DOI-USGS-CALVO-2026-09-01T15:18:22+00:00" }, { "sentUtc": "2026-08-25 17:04:15", "sent_unixtime": 1787677455, "noticeIdentifier": "DOI-USGS-CALVO-2026-08-25T16:28:21+00:00", "noticeType": "Weekly Update", "noticeTypeCd": "WU", "noticeCategory": "Scheduled 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"https:\/\/volcanoes.usgs.gov\/hans-public\/api\/notice\/getNotice\/DOI-USGS-CVO-2026-09-11T18:17:28+00:00" }, { "sentUtc": "2026-09-04 20:05:35", "sent_unixtime": 1788552335, "noticeIdentifier": "DOI-USGS-CVO-2026-09-04T19:58:17+00:00", "noticeType": "Weekly Update", "noticeTypeCd": "WU", "noticeCategory": "Scheduled Update", "obs": "cvo", "obsFullname": "Cascades Volcano Observatory", "volcanoes": "Cascade Range", "sections": [ { "synopsis": "All volcanoes are at normal levels.", "colorCode": "GREEN", "alertLevel": "NORMAL", "volcanoCd": "cas", "volcanoName": "Cascade Range", "vnum": null } ], "notice_url": "https:\/\/volcanoes.usgs.gov\/hans-public\/notice\/DOI-USGS-CVO-2026-09-04T19:58:17+00:00", "notice_data": "https:\/\/volcanoes.usgs.gov\/hans-public\/api\/notice\/getNotice\/DOI-USGS-CVO-2026-09-04T19:58:17+00:00" }, { "sentUtc": "2026-08-28 18:30:40", "sent_unixtime": 1787941840, "noticeIdentifier": "DOI-USGS-CVO-2026-08-28T18:22:24+00:00", "noticeType": "Weekly Update", "noticeTypeCd": "WU", "noticeCategory": "Scheduled Update", "obs": "cvo", "obsFullname": "Cascades Volcano Observatory", "volcanoes": "Cascade Range", "sections": [ { "synopsis": "All volcanoes are at normal levels.", "colorCode": "GREEN", "alertLevel": "NORMAL", "volcanoCd": "cas", "volcanoName": "Cascade Range", "vnum": null } ], "notice_url": "https:\/\/volcanoes.usgs.gov\/hans-public\/notice\/DOI-USGS-CVO-2026-08-28T18:22:24+00:00", "notice_data": "https:\/\/volcanoes.usgs.gov\/hans-public\/api\/notice\/getNotice\/DOI-USGS-CVO-2026-08-28T18:22:24+00:00" }, { "sentUtc": "2026-08-21 23:42:43", "sent_unixtime": 1787355763, "noticeIdentifier": "DOI-USGS-CVO-2026-08-21T23:40:33+00:00", "noticeType": "Weekly Update", "noticeTypeCd": "WU", "noticeCategory": "Scheduled Update", "obs": "cvo", "obsFullname": "Cascades Volcano Observatory", "volcanoes": "Cascade Range", "sections": [ { "synopsis": "All volcanoes are at normal levels.", "colorCode": "GREEN", "alertLevel": "NORMAL", "volcanoCd": "cas", "volcanoName": "Cascade Range", "vnum": null } ], "notice_url": "https:\/\/volcanoes.usgs.gov\/hans-public\/notice\/DOI-USGS-CVO-2026-08-21T23:40:33+00:00", "notice_data": "https:\/\/volcanoes.usgs.gov\/hans-public\/api\/notice\/getNotice\/DOI-USGS-CVO-2026-08-21T23:40:33+00:00" }, { "sentUtc": "2026-09-20 18:39:40", "sent_unixtime": 1789929580, "noticeIdentifier": "DOI-USGS-HVO-2026-09-20T18:06:49+00:00", "noticeType": "Volcano Activity Notification", "noticeTypeCd": "VAN", "noticeCategory": "Event Response \/ Information Statement", "obs": "hvo", "obsFullname": "Hawaiian Volcano Observatory", "volcanoes": "Kilauea", "sections": [ { "synopsis": "The Halema\u02bbuma\u02bbu eruption of K\u012blauea volcano is currently paused, current forecast for episode XX fountaining onset is MONTH XX-XX. ", "colorCode": "ORANGE", "alertLevel": "WATCH", "volcanoCd": "hi3", "volcanoName": "Kilauea", "vnum": "332010" } ], "notice_url": "https:\/\/volcanoes.usgs.gov\/hans-public\/notice\/DOI-USGS-HVO-2026-09-20T18:06:49+00:00", "notice_data": "https:\/\/volcanoes.usgs.gov\/hans-public\/api\/notice\/getNotice\/DOI-USGS-HVO-2026-09-20T18:06:49+00:00" }, { "sentUtc": "2026-09-20 18:39:40", "sent_unixtime": 1789929580, "noticeIdentifier": "DOI-USGS-HVO-2026-09-20T18:06:49+00:00", "noticeType": "Volcano Observatory Notice for Aviation", "noticeTypeCd": "VV", "noticeCategory": "Event Response \/ Information Statement", "obs": "hvo", "obsFullname": "Hawaiian Volcano Observatory", "volcanoes": "Kilauea", "sections": [ { "synopsis": "The Halema\u02bbuma\u02bbu eruption of K\u012blauea volcano is currently paused, current forecast for episode XX fountaining onset is MONTH XX-XX. ", "colorCode": "ORANGE", "alertLevel": "WATCH", "volcanoCd": "hi3", "volcanoName": "Kilauea", "vnum": "332010" } ], "notice_url": "https:\/\/volcanoes.usgs.gov\/hans-public\/vona\/DOI-USGS-HVO-2026-09-20T18:06:49+00:00", "notice_data": "https:\/\/volcanoes.usgs.gov\/hans-public\/api\/notice\/getNotice\/DOI-USGS-HVO-2026-09-20T18:06:49+00:00" }, { "sentUtc": "2026-09-20 18:04:00", "sent_unixtime": 1789927440, "noticeIdentifier": "DOI-USGS-HVO-2026-09-20T17:31:14+00:00", "noticeType": "Daily Update", "noticeTypeCd": "DU", "noticeCategory": "Scheduled Update", "obs": "hvo", "obsFullname": "Hawaiian Volcano Observatory", "volcanoes": "Kilauea", "sections": [ { "synopsis": "The north, south, and west vents continue to glow and emit flames with minor intermittent spatter. Minor summit inflation occurred overnight. There is no anomalous activity outside of the summit.", "colorCode": "ORANGE", "alertLevel": "WATCH", "volcanoCd": "hi3", "volcanoName": "Kilauea", "vnum": "332010" } ], "notice_url": "https:\/\/volcanoes.usgs.gov\/hans-public\/notice\/DOI-USGS-HVO-2026-09-20T17:31:14+00:00", "notice_data": "https:\/\/volcanoes.usgs.gov\/hans-public\/api\/notice\/getNotice\/DOI-USGS-HVO-2026-09-20T17:31:14+00:00" }, { "sentUtc": "2026-09-19 20:27:29", "sent_unixtime": 1789849649, "noticeIdentifier": "DOI-USGS-HVO-2026-09-19T18:24:20+00:00", "noticeType": "Daily Update", "noticeTypeCd": "DU", "noticeCategory": "Scheduled Update", "obs": "hvo", "obsFullname": "Hawaiian Volcano Observatory", "volcanoes": "Kilauea", "sections": [ { "synopsis": "There is currently no active lava on the ground. The north and west vents continue to glow and emit flames. Minor summit inflation occurred overnight. There is no anomalous activity outside of the summit.", "colorCode": "ORANGE", "alertLevel": "WATCH", "volcanoCd": "hi3", "volcanoName": "Kilauea", "vnum": "332010" } ], "notice_url": "https:\/\/volcanoes.usgs.gov\/hans-public\/notice\/DOI-USGS-HVO-2026-09-19T18:24:20+00:00", "notice_data": "https:\/\/volcanoes.usgs.gov\/hans-public\/api\/notice\/getNotice\/DOI-USGS-HVO-2026-09-19T18:24:20+00:00" }, { "sentUtc": "2026-09-18 19:16:42", "sent_unixtime": 1789759002, "noticeIdentifier": "DOI-USGS-HVO-2026-09-18T18:18:44+00:00", "noticeType": "Daily Update", "noticeTypeCd": "DU", "noticeCategory": "Scheduled Update", "obs": "hvo", "obsFullname": "Hawaiian Volcano Observatory", "volcanoes": "Kilauea", "sections": [ { "synopsis": "There is currently no active lava on the ground. The north, south, and west vents continue to glow and emit flames, with minor intermittent spatter. Minor summit inflation occurred overnight. There is no anomalous activity outside of the summit.", "colorCode": "ORANGE", "alertLevel": "WATCH", "volcanoCd": "hi3", "volcanoName": "Kilauea", "vnum": "332010" } ], "notice_url": "https:\/\/volcanoes.usgs.gov\/hans-public\/notice\/DOI-USGS-HVO-2026-09-18T18:18:44+00:00", "notice_data": "https:\/\/volcanoes.usgs.gov\/hans-public\/api\/notice\/getNotice\/DOI-USGS-HVO-2026-09-18T18:18:44+00:00" }, { "sentUtc": "2026-09-18 07:03:11", "sent_unixtime": 1789714991, "noticeIdentifier": "DOI-USGS-HVO-2026-09-18T06:56:18+00:00", "noticeType": "Information Statement", "noticeTypeCd": "IS", "noticeCategory": "Event Response \/ Information Statement", "obs": "hvo", "obsFullname": "Hawaiian Volcano Observatory", "volcanoes": "", "sections": [ { "synopsis": "Magnitude-4.1 earthquake near P\u0101hala, Island of Hawai\u02bbi", "colorCode": "UNASSIGNED", "alertLevel": "UNASSIGNED", "volcanoCd": null, "volcanoName": null, "vnum": null } ], "notice_url": "https:\/\/volcanoes.usgs.gov\/hans-public\/notice\/DOI-USGS-HVO-2026-09-18T06:56:18+00:00", "notice_data": "https:\/\/volcanoes.usgs.gov\/hans-public\/api\/notice\/getNotice\/DOI-USGS-HVO-2026-09-18T06:56:18+00:00" }, { "sentUtc": "2026-09-17 20:01:00", "sent_unixtime": 1789675260, "noticeIdentifier": "DOI-USGS-HVO-2026-09-17T17:15:57+00:00", "noticeType": "Daily Update", "noticeTypeCd": "DU", "noticeCategory": "Scheduled Update", "obs": "hvo", "obsFullname": "Hawaiian Volcano Observatory", "volcanoes": "Kilauea", "sections": [ { "synopsis": "The new vents stagnated last night, there is currently no active lava on the ground. The north, south, and west vents continue to glow. A minor summit deflation began at about 5 pm HST last night. There is no anomalous activity outside of the summit.", "colorCode": "ORANGE", "alertLevel": "WATCH", "volcanoCd": "hi3", "volcanoName": "Kilauea", "vnum": "332010" } ], "notice_url": "https:\/\/volcanoes.usgs.gov\/hans-public\/notice\/DOI-USGS-HVO-2026-09-17T17:15:57+00:00", "notice_data": "https:\/\/volcanoes.usgs.gov\/hans-public\/api\/notice\/getNotice\/DOI-USGS-HVO-2026-09-17T17:15:57+00:00" }, { "sentUtc": "2026-09-16 20:16:33", "sent_unixtime": 1789589793, "noticeIdentifier": "DOI-USGS-HVO-2026-09-16T18:27:10+00:00", "noticeType": "Daily Update", "noticeTypeCd": "DU", "noticeCategory": "Scheduled Update", "obs": "hvo", "obsFullname": "Hawaiian Volcano Observatory", "volcanoes": "Kilauea", "sections": [ { "synopsis": "Five new vents have now opened on and near the northwest wall of Halema\u02bbuma\u02bbu crater and produced small lava flows. Spattering continues from the north vent, periodic bursts from south and west vents. Summit inflation is stalled, tremor is increasing.", "colorCode": "ORANGE", "alertLevel": "WATCH", "volcanoCd": "hi3", "volcanoName": "Kilauea", "vnum": "332010" } ], "notice_url": "https:\/\/volcanoes.usgs.gov\/hans-public\/notice\/DOI-USGS-HVO-2026-09-16T18:27:10+00:00", "notice_data": "https:\/\/volcanoes.usgs.gov\/hans-public\/api\/notice\/getNotice\/DOI-USGS-HVO-2026-09-16T18:27:10+00:00" }, { "sentUtc": "2026-09-16 00:11:18", "sent_unixtime": 1789517478, "noticeIdentifier": "DOI-USGS-HVO-2026-09-15T03:18:09+00:00", "noticeType": "Status Report", "noticeTypeCd": "SR", "noticeCategory": "Event Response \/ Information Statement", "obs": "hvo", "obsFullname": "Hawaiian Volcano Observatory", "volcanoes": "Kilauea", "sections": [ { "synopsis": "New vents opened at K\u012blauea summit eruption site last night. K\u012blauea summit region is pressurized above the level required to start a fountaining episode. Additional changes to the type of activity\/eruption location could potentially occur. ", "colorCode": "ORANGE", "alertLevel": "WATCH", "volcanoCd": "hi3", "volcanoName": "Kilauea", "vnum": "332010" } ], "notice_url": "https:\/\/volcanoes.usgs.gov\/hans-public\/notice\/DOI-USGS-HVO-2026-09-15T03:18:09+00:00", "notice_data": "https:\/\/volcanoes.usgs.gov\/hans-public\/api\/notice\/getNotice\/DOI-USGS-HVO-2026-09-15T03:18:09+00:00" }, { "sentUtc": "2026-09-15 20:48:24", "sent_unixtime": 1789505304, "noticeIdentifier": "DOI-USGS-HVO-2026-09-15T17:29:36+00:00", "noticeType": "Daily Update", "noticeTypeCd": "DU", "noticeCategory": "Scheduled Update", "obs": "hvo", "obsFullname": "Hawaiian Volcano Observatory", "volcanoes": "Kilauea", "sections": [ { "synopsis": "Two new vents opened on and near the northwest wall of Halema\u02bbuma\u02bbu crater last night and produced small lava flows. Spattering continues from the north vent with periodic bursts from south vent. Summit inflation stalled with opening of the new vents.", "colorCode": "ORANGE", "alertLevel": "WATCH", "volcanoCd": "hi3", "volcanoName": "Kilauea", "vnum": "332010" } ], "notice_url": "https:\/\/volcanoes.usgs.gov\/hans-public\/notice\/DOI-USGS-HVO-2026-09-15T17:29:36+00:00", "notice_data": "https:\/\/volcanoes.usgs.gov\/hans-public\/api\/notice\/getNotice\/DOI-USGS-HVO-2026-09-15T17:29:36+00:00" }, { "sentUtc": "2026-09-14 19:37:12", "sent_unixtime": 1789414632, "noticeIdentifier": "DOI-USGS-HVO-2026-09-14T16:21:34+00:00", "noticeType": "Daily Update", "noticeTypeCd": "DU", "noticeCategory": "Scheduled Update", "obs": "hvo", "obsFullname": "Hawaiian Volcano Observatory", "volcanoes": "Kilauea", "sections": [ { "synopsis": "K\u012blauea has been intermittently erupting bursts of spatter building a small cone around the north vent in Halema\u02bbuma\u02bbu; no precursory flows since September 12. Summit inflation stalled last night further delaying the onset of episode 55 fountaining.", "colorCode": "ORANGE", "alertLevel": "WATCH", "volcanoCd": "hi3", "volcanoName": "Kilauea", "vnum": "332010" } ], "notice_url": "https:\/\/volcanoes.usgs.gov\/hans-public\/notice\/DOI-USGS-HVO-2026-09-14T16:21:34+00:00", "notice_data": "https:\/\/volcanoes.usgs.gov\/hans-public\/api\/notice\/getNotice\/DOI-USGS-HVO-2026-09-14T16:21:34+00:00" }, { "sentUtc": "2026-09-13 19:15:50", "sent_unixtime": 1789326950, "noticeIdentifier": "DOI-USGS-HVO-2026-09-13T16:25:26+00:00", "noticeType": "Daily Update", "noticeTypeCd": "DU", "noticeCategory": "Scheduled Update", "obs": "hvo", "obsFullname": "Hawaiian Volcano Observatory", "volcanoes": "Kilauea", "sections": [ { "synopsis": "K\u012blauea volcano is intermittently erupting short, precursory lava flows with 104 recorded since this activity began on September 7. The onset of episode 55 fountaining is likely today or tomorrow, if conditions remain favorable.", "colorCode": "ORANGE", "alertLevel": "WATCH", "volcanoCd": "hi3", "volcanoName": "Kilauea", "vnum": "332010" } ], "notice_url": "https:\/\/volcanoes.usgs.gov\/hans-public\/notice\/DOI-USGS-HVO-2026-09-13T16:25:26+00:00", "notice_data": "https:\/\/volcanoes.usgs.gov\/hans-public\/api\/notice\/getNotice\/DOI-USGS-HVO-2026-09-13T16:25:26+00:00" }, { "sentUtc": "2026-09-13 18:33:53", "sent_unixtime": 1789324433, "noticeIdentifier": "DOI-USGS-HVO-2026-09-13T18:25:16+00:00", "noticeType": "Information Statement", "noticeTypeCd": "IS", "noticeCategory": "Event Response \/ Information Statement", "obs": "hvo", "obsFullname": "Hawaiian Volcano Observatory", "volcanoes": "", "sections": [ { "synopsis": "Magnitude-4.0 earthquake south of P\u0101hala, Island of Hawai\u02bbi. Light shaking reported, no damage expected.", "colorCode": "UNASSIGNED", "alertLevel": "UNASSIGNED", "volcanoCd": null, "volcanoName": null, "vnum": null } ], "notice_url": "https:\/\/volcanoes.usgs.gov\/hans-public\/notice\/DOI-USGS-HVO-2026-09-13T18:25:16+00:00", "notice_data": "https:\/\/volcanoes.usgs.gov\/hans-public\/api\/notice\/getNotice\/DOI-USGS-HVO-2026-09-13T18:25:16+00:00" }, { "sentUtc": "2026-09-12 17:37:09", "sent_unixtime": 1789234629, "noticeIdentifier": "DOI-USGS-HVO-2026-09-12T16:10:43+00:00", "noticeType": "Daily Update", "noticeTypeCd": "DU", "noticeCategory": "Scheduled Update", "obs": "hvo", "obsFullname": "Hawaiian Volcano Observatory", "volcanoes": "Kilauea", "sections": [ { "synopsis": "K\u012blauea volcano is intermittently erupting short, precursory lava flows with over 100 recorded since the activity that began September 7. The onset of episode 55 fountaining is likely today or tomorrow, if inflation patterns remain consistent.", "colorCode": "ORANGE", "alertLevel": "WATCH", "volcanoCd": "hi3", "volcanoName": "Kilauea", "vnum": "332010" } ], "notice_url": "https:\/\/volcanoes.usgs.gov\/hans-public\/notice\/DOI-USGS-HVO-2026-09-12T16:10:43+00:00", "notice_data": "https:\/\/volcanoes.usgs.gov\/hans-public\/api\/notice\/getNotice\/DOI-USGS-HVO-2026-09-12T16:10:43+00:00" }, { "sentUtc": "2026-09-11 17:51:18", "sent_unixtime": 1789149078, "noticeIdentifier": "DOI-USGS-HVO-2026-09-11T16:16:02+00:00", "noticeType": "Daily Update", "noticeTypeCd": "DU", "noticeCategory": "Scheduled Update", "obs": "hvo", "obsFullname": "Hawaiian Volcano Observatory", "volcanoes": "Kilauea", "sections": [ { "synopsis": "K\u012blauea volcano is intermittently erupting short, precursory lava flows continuing the activity that began September 7. Summit inflation returned last night. Episode 55 fountaining is likely today, September 11, if inflation patterns remain consistent.", "colorCode": "ORANGE", "alertLevel": "WATCH", "volcanoCd": "hi3", "volcanoName": "Kilauea", "vnum": "332010" } ], "notice_url": "https:\/\/volcanoes.usgs.gov\/hans-public\/notice\/DOI-USGS-HVO-2026-09-11T16:16:02+00:00", "notice_data": "https:\/\/volcanoes.usgs.gov\/hans-public\/api\/notice\/getNotice\/DOI-USGS-HVO-2026-09-11T16:16:02+00:00" }, { "sentUtc": "2026-09-10 18:21:01", "sent_unixtime": 1789064461, "noticeIdentifier": "DOI-USGS-HVO-2026-09-10T16:30:02+00:00", "noticeType": "Daily Update", "noticeTypeCd": "DU", "noticeCategory": "Scheduled Update", "obs": "hvo", "obsFullname": "Hawaiian Volcano Observatory", "volcanoes": "Kilauea", "sections": [ { "synopsis": "K\u012blauea volcano is intermittently erupting short, precursory lava flows continuing the activity that began September 7. The forecast window for onset of episode 55 fountaining is now September 10-11 given no change in summit inflation since yesterday.", "colorCode": "ORANGE", "alertLevel": "WATCH", "volcanoCd": "hi3", "volcanoName": "Kilauea", "vnum": "332010" } ], "notice_url": "https:\/\/volcanoes.usgs.gov\/hans-public\/notice\/DOI-USGS-HVO-2026-09-10T16:30:02+00:00", "notice_data": "https:\/\/volcanoes.usgs.gov\/hans-public\/api\/notice\/getNotice\/DOI-USGS-HVO-2026-09-10T16:30:02+00:00" }, { "sentUtc": "2026-09-09 17:49:20", "sent_unixtime": 1788976160, "noticeIdentifier": "DOI-USGS-HVO-2026-09-09T16:27:18+00:00", "noticeType": "Daily Update", "noticeTypeCd": "DU", "noticeCategory": "Scheduled Update", "obs": "hvo", "obsFullname": "Hawaiian Volcano Observatory", "volcanoes": "Kilauea", "sections": [ { "synopsis": "K\u012blauea volcano is erupting. Precursory overflows, which began on September 7, continued for the past 24 hours. A forecast window of September 9-10 is likely for the start of episode 55 fountaining.", "colorCode": "ORANGE", "alertLevel": "WATCH", "volcanoCd": "hi3", "volcanoName": "Kilauea", "vnum": "332010" } ], "notice_url": "https:\/\/volcanoes.usgs.gov\/hans-public\/notice\/DOI-USGS-HVO-2026-09-09T16:27:18+00:00", "notice_data": "https:\/\/volcanoes.usgs.gov\/hans-public\/api\/notice\/getNotice\/DOI-USGS-HVO-2026-09-09T16:27:18+00:00" }, { "sentUtc": "2026-09-08 18:38:53", "sent_unixtime": 1788892733, "noticeIdentifier": "DOI-USGS-HVO-2026-09-08T17:26:59+00:00", "noticeType": "Daily Update", "noticeTypeCd": "DU", "noticeCategory": "Scheduled Update", "obs": "hvo", "obsFullname": "Hawaiian Volcano Observatory", "volcanoes": "Kilauea", "sections": [ { "synopsis": "K\u012blauea volcano is not erupting; the summit eruption in Halema\u02bbuma\u02bbu is paused. Precursory overflows started yesterday afternoon, but stopped overnight during summit deflation. A forecast window of September 8-10 is likely for the start of episode 55.", "colorCode": "ORANGE", "alertLevel": "WATCH", "volcanoCd": "hi3", "volcanoName": "Kilauea", "vnum": "332010" } ], "notice_url": "https:\/\/volcanoes.usgs.gov\/hans-public\/notice\/DOI-USGS-HVO-2026-09-08T17:26:59+00:00", "notice_data": "https:\/\/volcanoes.usgs.gov\/hans-public\/api\/notice\/getNotice\/DOI-USGS-HVO-2026-09-08T17:26:59+00:00" }, { "sentUtc": "2026-09-07 23:00:41", "sent_unixtime": 1788822041, "noticeIdentifier": "DOI-USGS-HVO-2026-09-07T20:09:10+00:00", "noticeType": "Volcano Activity Notification", "noticeTypeCd": "VAN", "noticeCategory": "Event Response \/ Information Statement", "obs": "hvo", "obsFullname": "Hawaiian Volcano Observatory", "volcanoes": "Kilauea", "sections": [ { "synopsis": "Precursory low-level eruptive activity before episode 55 of the ongoing Halema\u02bbuma\u02bbu eruption began around 15:45 p.m. HST on September 7, 2026.", "colorCode": "ORANGE", "alertLevel": "WATCH", "volcanoCd": "hi3", "volcanoName": "Kilauea", "vnum": "332010" } ], "notice_url": "https:\/\/volcanoes.usgs.gov\/hans-public\/notice\/DOI-USGS-HVO-2026-09-07T20:09:10+00:00", "notice_data": "https:\/\/volcanoes.usgs.gov\/hans-public\/api\/notice\/getNotice\/DOI-USGS-HVO-2026-09-07T20:09:10+00:00" }, { "sentUtc": "2026-09-07 23:00:41", "sent_unixtime": 1788822041, "noticeIdentifier": "DOI-USGS-HVO-2026-09-07T20:09:10+00:00", "noticeType": "Volcano Observatory Notice for Aviation", "noticeTypeCd": "VV", "noticeCategory": "Event Response \/ Information Statement", "obs": "hvo", "obsFullname": "Hawaiian Volcano Observatory", "volcanoes": "Kilauea", "sections": [ { "synopsis": "Precursory low-level eruptive activity before episode 55 of the ongoing Halema\u02bbuma\u02bbu eruption began around 15:45 p.m. HST on September 7, 2026.", "colorCode": "ORANGE", "alertLevel": "WATCH", "volcanoCd": "hi3", "volcanoName": "Kilauea", "vnum": "332010" } ], "notice_url": "https:\/\/volcanoes.usgs.gov\/hans-public\/vona\/DOI-USGS-HVO-2026-09-07T20:09:10+00:00", "notice_data": "https:\/\/volcanoes.usgs.gov\/hans-public\/api\/notice\/getNotice\/DOI-USGS-HVO-2026-09-07T20:09:10+00:00" }, { "sentUtc": "2026-09-07 18:58:33", "sent_unixtime": 1788807513, "noticeIdentifier": "DOI-USGS-HVO-2026-09-07T18:10:59+00:00", "noticeType": "Daily Update", "noticeTypeCd": "DU", "noticeCategory": "Scheduled Update", "obs": "hvo", "obsFullname": "Hawaiian Volcano Observatory", "volcanoes": "Kilauea", "sections": [ { "synopsis": "K\u012blauea volcano is not erupting; the summit eruption in Halema\u02bbuma\u02bbu is paused. The summit inflated rapidly during the past 24 hours but appears to be stalling this morning. A forecast window of September 7-10 is likely for the start of episode 55.", "colorCode": "YELLOW", "alertLevel": "ADVISORY", "volcanoCd": "hi3", "volcanoName": "Kilauea", "vnum": "332010" } ], "notice_url": "https:\/\/volcanoes.usgs.gov\/hans-public\/notice\/DOI-USGS-HVO-2026-09-07T18:10:59+00:00", "notice_data": "https:\/\/volcanoes.usgs.gov\/hans-public\/api\/notice\/getNotice\/DOI-USGS-HVO-2026-09-07T18:10:59+00:00" }, { "sentUtc": "2026-09-06 18:35:35", "sent_unixtime": 1788719735, "noticeIdentifier": "DOI-USGS-HVO-2026-09-06T17:34:33+00:00", "noticeType": "Daily Update", "noticeTypeCd": "DU", "noticeCategory": "Scheduled Update", "obs": "hvo", "obsFullname": "Hawaiian Volcano Observatory", "volcanoes": "Kilauea", "sections": [ { "synopsis": "K\u012blauea volcano is not erupting; the summit eruption in Halema\u02bbuma\u02bbu is paused. The summit inflated rapidly during the past 24 hours after being stalled the previous day. A forecast window of September 7-10 is likely for the start of episode 55.", "colorCode": "YELLOW", "alertLevel": "ADVISORY", "volcanoCd": "hi3", "volcanoName": "Kilauea", "vnum": "332010" } ], "notice_url": "https:\/\/volcanoes.usgs.gov\/hans-public\/notice\/DOI-USGS-HVO-2026-09-06T17:34:33+00:00", "notice_data": "https:\/\/volcanoes.usgs.gov\/hans-public\/api\/notice\/getNotice\/DOI-USGS-HVO-2026-09-06T17:34:33+00:00" }, { "sentUtc": "2026-09-05 18:32:40", "sent_unixtime": 1788633160, "noticeIdentifier": "DOI-USGS-HVO-2026-09-05T17:59:41+00:00", "noticeType": "Daily Update", "noticeTypeCd": "DU", "noticeCategory": "Scheduled Update", "obs": "hvo", "obsFullname": "Hawaiian Volcano Observatory", "volcanoes": "Kilauea", "sections": [ { "synopsis": "K\u012blauea volcano is not erupting; the summit eruption in Halema\u02bbuma\u02bbu is paused. Summit inflation remains stalled for the past 24 hours after a day of deflation. A forecast window of September 7-13 is likely for the next fountain episode.", "colorCode": "YELLOW", "alertLevel": "ADVISORY", "volcanoCd": "hi3", "volcanoName": "Kilauea", "vnum": "332010" } ], "notice_url": "https:\/\/volcanoes.usgs.gov\/hans-public\/notice\/DOI-USGS-HVO-2026-09-05T17:59:41+00:00", "notice_data": "https:\/\/volcanoes.usgs.gov\/hans-public\/api\/notice\/getNotice\/DOI-USGS-HVO-2026-09-05T17:59:41+00:00" }, { "sentUtc": "2026-09-04 18:07:31", "sent_unixtime": 1788545251, "noticeIdentifier": "DOI-USGS-HVO-2026-09-04T17:41:43+00:00", "noticeType": "Daily Update", "noticeTypeCd": "DU", "noticeCategory": "Scheduled Update", "obs": "hvo", "obsFullname": "Hawaiian Volcano Observatory", "volcanoes": "Kilauea", "sections": [ { "synopsis": "K\u012blauea volcano is not erupting; the summit eruption in Halema\u02bbuma\u02bbu is paused. The summit is currently in a deflationary step since yesterday morning. A forecast window of September 7-13 is likely for the next fountain episode.", "colorCode": "YELLOW", "alertLevel": "ADVISORY", "volcanoCd": "hi3", "volcanoName": "Kilauea", "vnum": "332010" } ], "notice_url": "https:\/\/volcanoes.usgs.gov\/hans-public\/notice\/DOI-USGS-HVO-2026-09-04T17:41:43+00:00", "notice_data": "https:\/\/volcanoes.usgs.gov\/hans-public\/api\/notice\/getNotice\/DOI-USGS-HVO-2026-09-04T17:41:43+00:00" }, { "sentUtc": "2026-09-03 19:02:37", "sent_unixtime": 1788462157, "noticeIdentifier": "DOI-USGS-HVO-2026-09-03T17:56:29+00:00", "noticeType": "Daily Update", "noticeTypeCd": "DU", "noticeCategory": "Scheduled Update", "obs": "hvo", "obsFullname": "Hawaiian Volcano Observatory", "volcanoes": "Kilauea", "sections": [ { "synopsis": "K\u012blauea volcano is not erupting; the summit eruption in Halema\u02bbuma\u02bbu is paused. Summit reinflation has continued over the past day. A forecast window of September 7-12 is likely for the next fountain episode.", "colorCode": "YELLOW", "alertLevel": "ADVISORY", "volcanoCd": "hi3", "volcanoName": "Kilauea", "vnum": "332010" } ], "notice_url": "https:\/\/volcanoes.usgs.gov\/hans-public\/notice\/DOI-USGS-HVO-2026-09-03T17:56:29+00:00", "notice_data": "https:\/\/volcanoes.usgs.gov\/hans-public\/api\/notice\/getNotice\/DOI-USGS-HVO-2026-09-03T17:56:29+00:00" }, { "sentUtc": "2026-09-03 18:56:27", "sent_unixtime": 1788461787, "noticeIdentifier": "DOI-USGS-HVO-2026-09-03T18:54:02+00:00", "noticeType": "Monthly Update", "noticeTypeCd": "MU", "noticeCategory": "Scheduled Update", "obs": "hvo", "obsFullname": "Hawaiian Volcano Observatory", "volcanoes": "Ofu-Olosega, Ta'u Island, Tutuila Island", "sections": [ { "synopsis": "No activity of concern for Ofu-Olosega.", "colorCode": "GREEN", "alertLevel": "NORMAL", "volcanoCd": "nmi20", "volcanoName": "Ofu-Olosega", "vnum": "244010" }, { "synopsis": "No activity of concern for Ta\u02bb\u016b Island", "colorCode": "GREEN", "alertLevel": "NORMAL", "volcanoCd": "nmi21", "volcanoName": "Ta'u Island", "vnum": "244001" }, { "synopsis": "No activity of concern for Tutuila Island", "colorCode": "GREEN", "alertLevel": "NORMAL", "volcanoCd": "nmi22", "volcanoName": "Tutuila Island", "vnum": "244020" } ], "notice_url": "https:\/\/volcanoes.usgs.gov\/hans-public\/notice\/DOI-USGS-HVO-2026-09-03T18:54:02+00:00", "notice_data": "https:\/\/volcanoes.usgs.gov\/hans-public\/api\/notice\/getNotice\/DOI-USGS-HVO-2026-09-03T18:54:02+00:00" }, { "sentUtc": "2026-09-03 18:41:34", "sent_unixtime": 1788460894, "noticeIdentifier": "DOI-USGS-HVO-2026-09-03T18:26:38+00:00", "noticeType": "Monthly Update", "noticeTypeCd": "MU", "noticeCategory": "Scheduled Update", "obs": "hvo", "obsFullname": "Hawaiian Volcano Observatory", "volcanoes": "Mauna Loa, Hualalai, Haleakala, Mauna Kea, Kama'ehuakanaloa", "sections": [ { "synopsis": "Mauna Loa earthquake counts increased in August, while the summit region showed no other signs of deformation.", "colorCode": "GREEN", "alertLevel": "NORMAL", "volcanoCd": "hi6", "volcanoName": "Mauna Loa", "vnum": "332020" }, { "synopsis": "No activity of concern for Hual\u0101lai.", "colorCode": "GREEN", "alertLevel": "NORMAL", "volcanoCd": "hi2", "volcanoName": "Hualalai", "vnum": "332040" }, { "synopsis": "No activity of concern for Haleakal\u0101.", "colorCode": "GREEN", "alertLevel": "NORMAL", "volcanoCd": "hi1", "volcanoName": "Haleakala", "vnum": "332060" }, { "synopsis": "No activity of concern for Mauna Kea.", "colorCode": "GREEN", "alertLevel": "NORMAL", "volcanoCd": "hi5", "volcanoName": "Mauna Kea", "vnum": "332030" }, { "synopsis": "No activity of concern for Kama\u02bbehuakanaloa.", "colorCode": "UNASSIGNED", "alertLevel": "UNASSIGNED", "volcanoCd": "hi4", "volcanoName": "Kama'ehuakanaloa", "vnum": "332000" } ], "notice_url": "https:\/\/volcanoes.usgs.gov\/hans-public\/notice\/DOI-USGS-HVO-2026-09-03T18:26:38+00:00", "notice_data": "https:\/\/volcanoes.usgs.gov\/hans-public\/api\/notice\/getNotice\/DOI-USGS-HVO-2026-09-03T18:26:38+00:00" }, { "sentUtc": "2026-09-02 19:30:04", "sent_unixtime": 1788377404, "noticeIdentifier": "DOI-USGS-HVO-2026-09-02T18:33:37+00:00", "noticeType": "Daily Update", "noticeTypeCd": "DU", "noticeCategory": "Scheduled Update", "obs": "hvo", "obsFullname": "Hawaiian Volcano Observatory", "volcanoes": "Kilauea", "sections": [ { "synopsis": "K\u012blauea volcano is not erupting; the summit eruption in Halema\u02bbuma\u02bbu is paused. Summit reinflation has increased over the past day. A forecast window of September 7-12 is likely for the next fountain episode.", "colorCode": "YELLOW", "alertLevel": "ADVISORY", "volcanoCd": "hi3", "volcanoName": "Kilauea", "vnum": "332010" } ], "notice_url": "https:\/\/volcanoes.usgs.gov\/hans-public\/notice\/DOI-USGS-HVO-2026-09-02T18:33:37+00:00", "notice_data": "https:\/\/volcanoes.usgs.gov\/hans-public\/api\/notice\/getNotice\/DOI-USGS-HVO-2026-09-02T18:33:37+00:00" }, { "sentUtc": "2026-09-01 19:02:11", "sent_unixtime": 1788289331, "noticeIdentifier": "DOI-USGS-HVO-2026-09-01T18:15:09+00:00", "noticeType": "Daily Update", "noticeTypeCd": "DU", "noticeCategory": "Scheduled Update", "obs": "hvo", "obsFullname": "Hawaiian Volcano Observatory", "volcanoes": "Kilauea", "sections": [ { "synopsis": "K\u012blauea volcano is not erupting; the summit eruption in Halema\u02bbuma\u02bbu is paused. Unstable summit reinflation has been slowing again over the past day. More data are needed to model the forecast window for the next episode.\r\n", "colorCode": "YELLOW", "alertLevel": "ADVISORY", "volcanoCd": "hi3", "volcanoName": "Kilauea", "vnum": "332010" } ], "notice_url": "https:\/\/volcanoes.usgs.gov\/hans-public\/notice\/DOI-USGS-HVO-2026-09-01T18:15:09+00:00", "notice_data": "https:\/\/volcanoes.usgs.gov\/hans-public\/api\/notice\/getNotice\/DOI-USGS-HVO-2026-09-01T18:15:09+00:00" }, { "sentUtc": "2026-08-31 18:30:28", "sent_unixtime": 1788201028, "noticeIdentifier": "DOI-USGS-HVO-2026-08-31T17:20:57+00:00", "noticeType": "Daily Update", "noticeTypeCd": "DU", "noticeCategory": "Scheduled Update", "obs": "hvo", "obsFullname": "Hawaiian Volcano Observatory", "volcanoes": "Kilauea", "sections": [ { "synopsis": "K\u012blauea volcano is not erupting; the summit eruption in Halema\u02bbuma\u02bbu is paused. After proceeding steadily for the past three days, summit reinflation has slowed this morning. More data are needed to model the forecast window for the next episode.\r\n", "colorCode": "YELLOW", "alertLevel": "ADVISORY", "volcanoCd": "hi3", "volcanoName": "Kilauea", "vnum": "332010" } ], "notice_url": "https:\/\/volcanoes.usgs.gov\/hans-public\/notice\/DOI-USGS-HVO-2026-08-31T17:20:57+00:00", "notice_data": "https:\/\/volcanoes.usgs.gov\/hans-public\/api\/notice\/getNotice\/DOI-USGS-HVO-2026-08-31T17:20:57+00:00" }, { "sentUtc": "2026-08-30 18:35:45", "sent_unixtime": 1788114945, "noticeIdentifier": "DOI-USGS-HVO-2026-08-30T17:15:02+00:00", "noticeType": "Daily Update", "noticeTypeCd": "DU", "noticeCategory": "Scheduled Update", "obs": "hvo", "obsFullname": "Hawaiian Volcano Observatory", "volcanoes": "Kilauea", "sections": [ { "synopsis": "K\u012blauea volcano is not erupting; the summit eruption in Halema\u02bbuma\u02bbu is paused. After a period of instability, the summit has reinflated more steadily over the past two days. More data are needed to model the forecast window for the next episode.\r\n", "colorCode": "YELLOW", "alertLevel": "ADVISORY", "volcanoCd": "hi3", "volcanoName": "Kilauea", "vnum": "332010" } ], "notice_url": "https:\/\/volcanoes.usgs.gov\/hans-public\/notice\/DOI-USGS-HVO-2026-08-30T17:15:02+00:00", "notice_data": "https:\/\/volcanoes.usgs.gov\/hans-public\/api\/notice\/getNotice\/DOI-USGS-HVO-2026-08-30T17:15:02+00:00" }, { "sentUtc": "2026-08-29 19:26:23", "sent_unixtime": 1788031583, "noticeIdentifier": "DOI-USGS-HVO-2026-08-29T18:42:24+00:00", "noticeType": "Daily Update", "noticeTypeCd": "DU", "noticeCategory": "Scheduled Update", "obs": "hvo", "obsFullname": "Hawaiian Volcano Observatory", "volcanoes": "Kilauea", "sections": [ { "synopsis": "K\u012blauea volcano is not erupting. The summit eruption in Halema\u02bbuma\u02bbu is paused. Reinflation has been minimal since the end of lava fountaining episode 54; more data are needed to model the forecast window for the next episode.\r\n", "colorCode": "YELLOW", "alertLevel": "ADVISORY", "volcanoCd": "hi3", "volcanoName": "Kilauea", "vnum": "332010" } ], "notice_url": "https:\/\/volcanoes.usgs.gov\/hans-public\/notice\/DOI-USGS-HVO-2026-08-29T18:42:24+00:00", "notice_data": "https:\/\/volcanoes.usgs.gov\/hans-public\/api\/notice\/getNotice\/DOI-USGS-HVO-2026-08-29T18:42:24+00:00" }, { "sentUtc": "2026-08-28 19:15:52", "sent_unixtime": 1787944552, "noticeIdentifier": "DOI-USGS-HVO-2026-08-28T17:46:34+00:00", "noticeType": "Daily Update", "noticeTypeCd": "DU", "noticeCategory": "Scheduled Update", "obs": "hvo", "obsFullname": "Hawaiian Volcano Observatory", "volcanoes": "Kilauea", "sections": [ { "synopsis": "K\u012blauea volcano is not erupting, as the summit eruption in Halema\u02bbuma\u02bbu is paused. Reinflation has been minimal since the end of lava fountaining episode 54; more tilt data are needed to model the forecast window for the next episode.\r\n", "colorCode": "YELLOW", "alertLevel": "ADVISORY", "volcanoCd": "hi3", "volcanoName": "Kilauea", "vnum": "332010" } ], "notice_url": "https:\/\/volcanoes.usgs.gov\/hans-public\/notice\/DOI-USGS-HVO-2026-08-28T17:46:34+00:00", "notice_data": "https:\/\/volcanoes.usgs.gov\/hans-public\/api\/notice\/getNotice\/DOI-USGS-HVO-2026-08-28T17:46:34+00:00" }, { "sentUtc": "2026-08-27 18:05:02", "sent_unixtime": 1787853902, "noticeIdentifier": "DOI-USGS-HVO-2026-08-27T17:03:48+00:00", "noticeType": "Daily Update", "noticeTypeCd": "DU", "noticeCategory": "Scheduled Update", "obs": "hvo", "obsFullname": "Hawaiian Volcano Observatory", "volcanoes": "Kilauea", "sections": [ { "synopsis": "K\u012blauea volcano is not erupting; the summit eruption in Halema\u02bbuma\u02bbu is paused following lava fountaining episode 54 on August 25. Reinflation has stopped. More data are needed to determine the forecast window for the next episode.\r\n", "colorCode": "YELLOW", "alertLevel": "ADVISORY", "volcanoCd": "hi3", "volcanoName": "Kilauea", "vnum": "332010" } ], "notice_url": "https:\/\/volcanoes.usgs.gov\/hans-public\/notice\/DOI-USGS-HVO-2026-08-27T17:03:48+00:00", "notice_data": "https:\/\/volcanoes.usgs.gov\/hans-public\/api\/notice\/getNotice\/DOI-USGS-HVO-2026-08-27T17:03:48+00:00" }, { "sentUtc": "2026-08-26 19:00:56", "sent_unixtime": 1787770856, "noticeIdentifier": "DOI-USGS-HVO-2026-08-26T17:33:36+00:00", "noticeType": "Daily Update", "noticeTypeCd": "DU", "noticeCategory": "Scheduled Update", "obs": "hvo", "obsFullname": "Hawaiian Volcano Observatory", "volcanoes": "Kilauea", "sections": [ { "synopsis": "K\u012blauea volcano is not erupting; the summit eruption in Halema\u02bbuma\u02bbu is paused. Lava fountaining episode 54 ended at 7:33 p.m. HST on August 25. Reinflation indicates another episode is likely, but more data are needed to determine the forecast.\r\n", "colorCode": "YELLOW", "alertLevel": "ADVISORY", "volcanoCd": "hi3", "volcanoName": "Kilauea", "vnum": "332010" } ], "notice_url": "https:\/\/volcanoes.usgs.gov\/hans-public\/notice\/DOI-USGS-HVO-2026-08-26T17:33:36+00:00", "notice_data": "https:\/\/volcanoes.usgs.gov\/hans-public\/api\/notice\/getNotice\/DOI-USGS-HVO-2026-08-26T17:33:36+00:00" }, { "sentUtc": "2026-08-26 06:22:43", "sent_unixtime": 1787725363, "noticeIdentifier": "DOI-USGS-HVO-2026-08-26T05:56:38+00:00", "noticeType": "Status Report", "noticeTypeCd": "SR", "noticeCategory": "Event Response \/ Information Statement", "obs": "hvo", "obsFullname": "Hawaiian Volcano Observatory", "volcanoes": "Kilauea", "sections": [ { "synopsis": "Episode 54 of the ongoing Halema\u02bbuma\u02bbu eruption began around 10:30 a.m. HST and ended at 7:33 p.m. HST on August 25, 2026, after 9 hours of continuous lava fountaining.", "colorCode": "YELLOW", "alertLevel": "ADVISORY", "volcanoCd": "hi3", "volcanoName": "Kilauea", "vnum": "332010" } ], "notice_url": "https:\/\/volcanoes.usgs.gov\/hans-public\/notice\/DOI-USGS-HVO-2026-08-26T05:56:38+00:00", "notice_data": "https:\/\/volcanoes.usgs.gov\/hans-public\/api\/notice\/getNotice\/DOI-USGS-HVO-2026-08-26T05:56:38+00:00" }, { "sentUtc": "2026-08-26 05:47:11", "sent_unixtime": 1787723231, "noticeIdentifier": "DOI-USGS-HVO-2026-08-26T01:20:48+00:00", "noticeType": "Volcano Activity Notification", "noticeTypeCd": "VAN", "noticeCategory": "Event Response \/ Information Statement", "obs": "hvo", "obsFullname": "Hawaiian Volcano Observatory", "volcanoes": "Kilauea", "sections": [ { "synopsis": "Lava fountaining episode 54 of the ongoing Halema\u02bbuma\u02bbu eruption ended abruptly at 7:33 p.m. HST on August 25. USGS is dropping the Volcano Alert Level from WATCH to ADVISORY and the Aviation Color Code from ORANGE to YELLOW.", "colorCode": "YELLOW", "alertLevel": "ADVISORY", "volcanoCd": "hi3", "volcanoName": "Kilauea", "vnum": "332010" } ], "notice_url": "https:\/\/volcanoes.usgs.gov\/hans-public\/notice\/DOI-USGS-HVO-2026-08-26T01:20:48+00:00", "notice_data": "https:\/\/volcanoes.usgs.gov\/hans-public\/api\/notice\/getNotice\/DOI-USGS-HVO-2026-08-26T01:20:48+00:00" }, { "sentUtc": "2026-08-26 05:47:11", "sent_unixtime": 1787723231, "noticeIdentifier": "DOI-USGS-HVO-2026-08-26T01:20:48+00:00", "noticeType": "Volcano Observatory Notice for Aviation", "noticeTypeCd": "VV", "noticeCategory": "Event Response \/ Information Statement", "obs": "hvo", "obsFullname": "Hawaiian Volcano Observatory", "volcanoes": "Kilauea", "sections": [ { "synopsis": "Lava fountaining episode 54 of the ongoing Halema\u02bbuma\u02bbu eruption ended abruptly at 7:33 p.m. HST on August 25. USGS is dropping the Volcano Alert Level from WATCH to ADVISORY and the Aviation Color Code from ORANGE to YELLOW.", "colorCode": "YELLOW", "alertLevel": "ADVISORY", "volcanoCd": "hi3", "volcanoName": "Kilauea", "vnum": "332010" } ], "notice_url": "https:\/\/volcanoes.usgs.gov\/hans-public\/vona\/DOI-USGS-HVO-2026-08-26T01:20:48+00:00", "notice_data": "https:\/\/volcanoes.usgs.gov\/hans-public\/api\/notice\/getNotice\/DOI-USGS-HVO-2026-08-26T01:20:48+00:00" }, { "sentUtc": "2026-08-25 22:23:33", "sent_unixtime": 1787696613, "noticeIdentifier": "DOI-USGS-HVO-2026-08-25T21:01:34+00:00", "noticeType": "Volcano Activity Notification", "noticeTypeCd": "VAN", "noticeCategory": "Event Response \/ Information Statement", "obs": "hvo", "obsFullname": "Hawaiian Volcano Observatory", "volcanoes": "Kilauea", "sections": [ { "synopsis": "Episode 54 of the ongoing Halema\u02bbuma\u02bbu eruption continues as of 12:15 p.m. HST on August 25.", "colorCode": "ORANGE", "alertLevel": "WATCH", "volcanoCd": "hi3", "volcanoName": "Kilauea", "vnum": "332010" } ], "notice_url": "https:\/\/volcanoes.usgs.gov\/hans-public\/notice\/DOI-USGS-HVO-2026-08-25T21:01:34+00:00", "notice_data": "https:\/\/volcanoes.usgs.gov\/hans-public\/api\/notice\/getNotice\/DOI-USGS-HVO-2026-08-25T21:01:34+00:00" }, { "sentUtc": "2026-08-25 22:23:33", "sent_unixtime": 1787696613, "noticeIdentifier": "DOI-USGS-HVO-2026-08-25T21:01:34+00:00", "noticeType": "Volcano Observatory Notice for Aviation", "noticeTypeCd": "VV", "noticeCategory": "Event Response \/ Information Statement", "obs": "hvo", "obsFullname": "Hawaiian Volcano Observatory", "volcanoes": "Kilauea", "sections": [ { "synopsis": "Episode 54 of the ongoing Halema\u02bbuma\u02bbu eruption continues as of 12:15 p.m. HST on August 25.", "colorCode": "ORANGE", "alertLevel": "WATCH", "volcanoCd": "hi3", "volcanoName": "Kilauea", "vnum": "332010" } ], "notice_url": "https:\/\/volcanoes.usgs.gov\/hans-public\/vona\/DOI-USGS-HVO-2026-08-25T21:01:34+00:00", "notice_data": "https:\/\/volcanoes.usgs.gov\/hans-public\/api\/notice\/getNotice\/DOI-USGS-HVO-2026-08-25T21:01:34+00:00" }, { "sentUtc": "2026-08-25 20:43:21", "sent_unixtime": 1787690601, "noticeIdentifier": "DOI-USGS-HVO-2026-08-25T20:17:36+00:00", "noticeType": "Volcano Activity Notification", "noticeTypeCd": "VAN", "noticeCategory": "Event Response \/ Information Statement", "obs": "hvo", "obsFullname": "Hawaiian Volcano Observatory", "volcanoes": "Kilauea", "sections": [ { "synopsis": "Episode 54 of the ongoing Halema\u02bbuma\u02bbu eruption began at 10:30 HST on August 25, 2026.", "colorCode": "ORANGE", "alertLevel": "WATCH", "volcanoCd": "hi3", "volcanoName": "Kilauea", "vnum": "332010" } ], "notice_url": "https:\/\/volcanoes.usgs.gov\/hans-public\/notice\/DOI-USGS-HVO-2026-08-25T20:17:36+00:00", "notice_data": "https:\/\/volcanoes.usgs.gov\/hans-public\/api\/notice\/getNotice\/DOI-USGS-HVO-2026-08-25T20:17:36+00:00" }, { "sentUtc": "2026-08-25 20:43:21", "sent_unixtime": 1787690601, "noticeIdentifier": "DOI-USGS-HVO-2026-08-25T20:17:36+00:00", "noticeType": "Volcano Observatory Notice for Aviation", "noticeTypeCd": "VV", "noticeCategory": "Event Response \/ Information Statement", "obs": "hvo", "obsFullname": "Hawaiian Volcano Observatory", "volcanoes": "Kilauea", "sections": [ { "synopsis": "Episode 54 of the ongoing Halema\u02bbuma\u02bbu eruption began at 10:30 HST on August 25, 2026.", "colorCode": "ORANGE", "alertLevel": "WATCH", "volcanoCd": "hi3", "volcanoName": "Kilauea", "vnum": "332010" } ], "notice_url": "https:\/\/volcanoes.usgs.gov\/hans-public\/vona\/DOI-USGS-HVO-2026-08-25T20:17:36+00:00", "notice_data": "https:\/\/volcanoes.usgs.gov\/hans-public\/api\/notice\/getNotice\/DOI-USGS-HVO-2026-08-25T20:17:36+00:00" }, { "sentUtc": "2026-08-25 20:03:27", "sent_unixtime": 1787688207, "noticeIdentifier": "DOI-USGS-HVO-2026-08-25T17:38:51+00:00", "noticeType": "Daily Update", "noticeTypeCd": "DU", "noticeCategory": "Scheduled Update", "obs": "hvo", "obsFullname": "Hawaiian Volcano Observatory", "volcanoes": "Kilauea", "sections": [ { "synopsis": "K\u012blauea volcano is erupting precursory overflows this morning, and episode 54 lava fountains are expected today. Summit inflation leveled out at around 6 a.m. HST this morning and tilt is now deflating.", "colorCode": "ORANGE", "alertLevel": "WATCH", "volcanoCd": "hi3", "volcanoName": "Kilauea", "vnum": "332010" } ], "notice_url": "https:\/\/volcanoes.usgs.gov\/hans-public\/notice\/DOI-USGS-HVO-2026-08-25T17:38:51+00:00", "notice_data": "https:\/\/volcanoes.usgs.gov\/hans-public\/api\/notice\/getNotice\/DOI-USGS-HVO-2026-08-25T17:38:51+00:00" }, { "sentUtc": "2026-08-25 16:38:52", "sent_unixtime": 1787675932, "noticeIdentifier": "DOI-USGS-HVO-2026-08-25T16:03:58+00:00", "noticeType": "Volcano Observatory Notice for Aviation", "noticeTypeCd": "VV", "noticeCategory": "Event Response \/ Information Statement", "obs": "hvo", "obsFullname": "Hawaiian Volcano Observatory", "volcanoes": "Kilauea", "sections": [ { "synopsis": "Precursory low-level eruptive activity before episode 54 of the ongoing Halema\u02bbuma\u02bbu eruption began around 6:16 a.m. HST on August 25.", "colorCode": "ORANGE", "alertLevel": "WATCH", "volcanoCd": "hi3", "volcanoName": "Kilauea", "vnum": "332010" } ], "notice_url": "https:\/\/volcanoes.usgs.gov\/hans-public\/vona\/DOI-USGS-HVO-2026-08-25T16:03:58+00:00", "notice_data": "https:\/\/volcanoes.usgs.gov\/hans-public\/api\/notice\/getNotice\/DOI-USGS-HVO-2026-08-25T16:03:58+00:00" }, { "sentUtc": "2026-08-25 16:38:52", "sent_unixtime": 1787675932, "noticeIdentifier": "DOI-USGS-HVO-2026-08-25T16:03:58+00:00", "noticeType": "Volcano Activity Notification", "noticeTypeCd": "VAN", "noticeCategory": "Event Response \/ Information Statement", "obs": "hvo", "obsFullname": "Hawaiian Volcano Observatory", "volcanoes": "Kilauea", "sections": [ { "synopsis": "Precursory low-level eruptive activity before episode 54 of the ongoing Halema\u02bbuma\u02bbu eruption began around 6:16 a.m. HST on August 25.", "colorCode": "ORANGE", "alertLevel": "WATCH", "volcanoCd": "hi3", "volcanoName": "Kilauea", "vnum": "332010" } ], "notice_url": "https:\/\/volcanoes.usgs.gov\/hans-public\/notice\/DOI-USGS-HVO-2026-08-25T16:03:58+00:00", "notice_data": "https:\/\/volcanoes.usgs.gov\/hans-public\/api\/notice\/getNotice\/DOI-USGS-HVO-2026-08-25T16:03:58+00:00" }, { "sentUtc": "2026-08-24 20:00:46", "sent_unixtime": 1787601646, "noticeIdentifier": "DOI-USGS-HVO-2026-08-24T18:45:30+00:00", "noticeType": "Daily Update", "noticeTypeCd": "DU", "noticeCategory": "Scheduled Update", "obs": "hvo", "obsFullname": "Hawaiian Volcano Observatory", "volcanoes": "Kilauea", "sections": [ { "synopsis": "K\u012blauea volcano is not erupting; the summit eruption in Halema\u02bbuma\u02bbu is paused. Models indicate the onset of the next fountaining episode is likely between August 25 and August 28 with Tuesday to Wednesday most likely if rapid inflation persists.", "colorCode": "YELLOW", "alertLevel": "ADVISORY", "volcanoCd": "hi3", "volcanoName": "Kilauea", "vnum": "332010" } ], "notice_url": "https:\/\/volcanoes.usgs.gov\/hans-public\/notice\/DOI-USGS-HVO-2026-08-24T18:45:30+00:00", "notice_data": "https:\/\/volcanoes.usgs.gov\/hans-public\/api\/notice\/getNotice\/DOI-USGS-HVO-2026-08-24T18:45:30+00:00" }, { "sentUtc": "2026-08-23 19:20:57", "sent_unixtime": 1787512857, "noticeIdentifier": "DOI-USGS-HVO-2026-08-23T18:47:51+00:00", "noticeType": "Daily Update", "noticeTypeCd": "DU", "noticeCategory": "Scheduled Update", "obs": "hvo", "obsFullname": "Hawaiian Volcano Observatory", "volcanoes": "Kilauea", "sections": [ { "synopsis": "K\u012blauea volcano is not erupting; the summit eruption in Halema\u02bbuma\u02bbu is paused. Data indicate the onset of the next fountaining episode is likely between August 24 and August 28.", "colorCode": "YELLOW", "alertLevel": "ADVISORY", "volcanoCd": "hi3", "volcanoName": "Kilauea", "vnum": "332010" } ], "notice_url": "https:\/\/volcanoes.usgs.gov\/hans-public\/notice\/DOI-USGS-HVO-2026-08-23T18:47:51+00:00", "notice_data": "https:\/\/volcanoes.usgs.gov\/hans-public\/api\/notice\/getNotice\/DOI-USGS-HVO-2026-08-23T18:47:51+00:00" }, { "sentUtc": "2026-08-22 19:32:03", "sent_unixtime": 1787427123, "noticeIdentifier": "DOI-USGS-HVO-2026-08-22T18:32:34+00:00", "noticeType": "Daily Update", "noticeTypeCd": "DU", "noticeCategory": "Scheduled Update", "obs": "hvo", "obsFullname": "Hawaiian Volcano Observatory", "volcanoes": "Kilauea", "sections": [ { "synopsis": "K\u012blauea volcano is not erupting; the summit eruption in Halema\u02bbuma\u02bbu is paused. Data indicate the onset of the next fountaining episode is likely between August 24 and August 28.", "colorCode": "YELLOW", "alertLevel": "ADVISORY", "volcanoCd": "hi3", "volcanoName": "Kilauea", "vnum": "332010" } ], "notice_url": "https:\/\/volcanoes.usgs.gov\/hans-public\/notice\/DOI-USGS-HVO-2026-08-22T18:32:34+00:00", "notice_data": "https:\/\/volcanoes.usgs.gov\/hans-public\/api\/notice\/getNotice\/DOI-USGS-HVO-2026-08-22T18:32:34+00:00" }, { "sentUtc": "2026-08-21 19:25:46", "sent_unixtime": 1787340346, "noticeIdentifier": "DOI-USGS-HVO-2026-08-21T18:29:11+00:00", "noticeType": "Daily Update", "noticeTypeCd": "DU", "noticeCategory": "Scheduled Update", "obs": "hvo", "obsFullname": "Hawaiian Volcano Observatory", "volcanoes": "Kilauea", "sections": [ { "synopsis": "K\u012blauea volcano is not erupting; the summit eruption in Halema\u02bbuma\u02bbu is paused. Data indicate the onset of the next fountaining episode is likely between August 22 and August 27.", "colorCode": "YELLOW", "alertLevel": "ADVISORY", "volcanoCd": "hi3", "volcanoName": "Kilauea", "vnum": "332010" } ], "notice_url": "https:\/\/volcanoes.usgs.gov\/hans-public\/notice\/DOI-USGS-HVO-2026-08-21T18:29:11+00:00", "notice_data": "https:\/\/volcanoes.usgs.gov\/hans-public\/api\/notice\/getNotice\/DOI-USGS-HVO-2026-08-21T18:29:11+00:00" }, { "sentUtc": "2026-09-18 00:41:48", "sent_unixtime": 1789692108, "noticeIdentifier": "DOI-USGS-NMI-2026-09-18T00:41:02+00:00", "noticeType": "Weekly Update", "noticeTypeCd": "WU", "noticeCategory": "Scheduled Update", "obs": "nmi", "obsFullname": "Northern Mariana Islands", "volcanoes": "Ahyi Seamount", "sections": [ { "synopsis": "No plumes seen in satellite images; no significant geophysical signals.", "colorCode": "YELLOW", "alertLevel": "ADVISORY", "volcanoCd": "nmi2", "volcanoName": "Ahyi Seamount", "vnum": "284141" }, { "synopsis": "No signs of significant volcanic unrest.", "colorCode": "UNASSIGNED", "alertLevel": "UNASSIGNED", "volcanoCd": null, "volcanoName": null, "vnum": null } ], "notice_url": "https:\/\/volcanoes.usgs.gov\/hans-public\/notice\/DOI-USGS-NMI-2026-09-18T00:41:02+00:00", "notice_data": "https:\/\/volcanoes.usgs.gov\/hans-public\/api\/notice\/getNotice\/DOI-USGS-NMI-2026-09-18T00:41:02+00:00" }, { "sentUtc": "2026-09-10 23:25:53", "sent_unixtime": 1789082753, "noticeIdentifier": "DOI-USGS-NMI-2026-09-10T23:17:05+00:00", "noticeType": "Weekly Update", "noticeTypeCd": "WU", "noticeCategory": "Scheduled Update", "obs": "nmi", "obsFullname": "Northern Mariana Islands", "volcanoes": "Ahyi Seamount", "sections": [ { "synopsis": "Faint water discoloration seen in satellite images; no significant geophysical signals.", "colorCode": "YELLOW", "alertLevel": "ADVISORY", "volcanoCd": "nmi2", "volcanoName": "Ahyi Seamount", "vnum": "284141" }, { "synopsis": "No signs of significant volcanic unrest.", "colorCode": "UNASSIGNED", "alertLevel": "UNASSIGNED", "volcanoCd": null, "volcanoName": null, "vnum": null } ], "notice_url": "https:\/\/volcanoes.usgs.gov\/hans-public\/notice\/DOI-USGS-NMI-2026-09-10T23:17:05+00:00", "notice_data": "https:\/\/volcanoes.usgs.gov\/hans-public\/api\/notice\/getNotice\/DOI-USGS-NMI-2026-09-10T23:17:05+00:00" }, { "sentUtc": "2026-09-03 23:17:57", "sent_unixtime": 1788477477, "noticeIdentifier": "DOI-USGS-NMI-2026-09-03T23:16:58+00:00", "noticeType": "Weekly Update", "noticeTypeCd": "WU", "noticeCategory": "Scheduled Update", "obs": "nmi", "obsFullname": "Northern Mariana Islands", "volcanoes": "Ahyi Seamount", "sections": [ { "synopsis": "No signs of unrest in satellite images or distal geophysical data this past week.", "colorCode": "YELLOW", "alertLevel": "ADVISORY", "volcanoCd": "nmi2", "volcanoName": "Ahyi Seamount", "vnum": "284141" } ], "notice_url": "https:\/\/volcanoes.usgs.gov\/hans-public\/notice\/DOI-USGS-NMI-2026-09-03T23:16:58+00:00", "notice_data": "https:\/\/volcanoes.usgs.gov\/hans-public\/api\/notice\/getNotice\/DOI-USGS-NMI-2026-09-03T23:16:58+00:00" }, { "sentUtc": "2026-08-27 23:20:59", "sent_unixtime": 1787872859, "noticeIdentifier": "DOI-USGS-NMI-2026-08-27T23:20:10+00:00", "noticeType": "Weekly Update", "noticeTypeCd": "WU", "noticeCategory": "Scheduled Update", "obs": "nmi", "obsFullname": "Northern Mariana Islands", "volcanoes": "Ahyi Seamount", "sections": [ { "synopsis": "No signs of unrest in satellite images or distal geophysical data this past week.", "colorCode": "YELLOW", "alertLevel": "ADVISORY", "volcanoCd": "nmi2", "volcanoName": "Ahyi Seamount", "vnum": "284141" } ], "notice_url": "https:\/\/volcanoes.usgs.gov\/hans-public\/notice\/DOI-USGS-NMI-2026-08-27T23:20:10+00:00", "notice_data": "https:\/\/volcanoes.usgs.gov\/hans-public\/api\/notice\/getNotice\/DOI-USGS-NMI-2026-08-27T23:20:10+00:00" }, { "sentUtc": "2026-08-21 00:01:54", "sent_unixtime": 1787270514, "noticeIdentifier": "DOI-USGS-NMI-2026-08-20T23:54:47+00:00", "noticeType": "Weekly Update", "noticeTypeCd": "WU", "noticeCategory": "Scheduled Update", "obs": "nmi", "obsFullname": "Northern Mariana Islands", "volcanoes": "Ahyi Seamount", "sections": [ { "synopsis": "No signs of unrest in satellite images or distal geophysical data this past week.", "colorCode": "YELLOW", "alertLevel": "ADVISORY", "volcanoCd": "nmi2", "volcanoName": "Ahyi Seamount", "vnum": "284141" }, { "synopsis": "No signs of significant volcanic unrest.", "colorCode": "UNASSIGNED", "alertLevel": "UNASSIGNED", "volcanoCd": null, "volcanoName": null, "vnum": null } ], "notice_url": "https:\/\/volcanoes.usgs.gov\/hans-public\/notice\/DOI-USGS-NMI-2026-08-20T23:54:47+00:00", "notice_data": "https:\/\/volcanoes.usgs.gov\/hans-public\/api\/notice\/getNotice\/DOI-USGS-NMI-2026-08-20T23:54:47+00:00" }, { "sentUtc": "2026-09-02 00:55:45", "sent_unixtime": 1788310545, "noticeIdentifier": "DOI-USGS-YVO-2026-09-02T00:51:35+00:00", "noticeType": "Monthly Update", "noticeTypeCd": "MU", "noticeCategory": "Scheduled Update", "obs": "yvo", "obsFullname": "Yellowstone Volcano Observatory", "volcanoes": "Yellowstone", "sections": [ { "synopsis": "YVO Monthly Update: background seismicity and deformation", "colorCode": "GREEN", "alertLevel": "NORMAL", "volcanoCd": "wy1", "volcanoName": "Yellowstone", "vnum": "325010" } ], "notice_url": "https:\/\/volcanoes.usgs.gov\/hans-public\/notice\/DOI-USGS-YVO-2026-09-02T00:51:35+00:00", "notice_data": "https:\/\/volcanoes.usgs.gov\/hans-public\/api\/notice\/getNotice\/DOI-USGS-YVO-2026-09-02T00:51:35+00:00" } ]