Hazard Notification System (HANS) for Volcanoes
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Alaska Volcano Observatory
2025-06-11 18:36:48 UTC, Spurr, Great Sitkin Daily UpdateHawaiian Volcano Observatory
2025-06-12 06:27:42 UTC, Kilauea Volcano Observatory Notice for Aviation ORANGE WATCH2025-06-12 06:27:42 UTC, Kilauea Volcano Activity Notification ORANGE WATCH
2025-06-11 22:39:28 UTC, Kilauea Volcano Observatory Notice for Aviation ORANGE WATCH
2025-06-11 22:39:28 UTC, Kilauea Volcano Activity Notification ORANGE WATCH
2025-06-11 18:56:57 UTC, Kilauea Daily Update
Recent Notices
AVO | CalVO | CVO | HVO | NMI | YVOAlaska Volcano Observatory
2025-06-11 18:36:48 UTC, Spurr, Great Sitkin Daily Update2025-06-10 18:09:48 UTC, Spurr, Great Sitkin Daily Update
2025-06-09 19:57:53 UTC, Spurr, Great Sitkin Daily Update
2025-06-08 17:58:07 UTC, Spurr, Great Sitkin Daily Update
2025-06-07 18:35:52 UTC, Spurr, Great Sitkin Daily Update
2025-06-06 19:01:05 UTC, Spurr, Great Sitkin Weekly Update
2025-06-05 18:59:41 UTC, Spurr, Great Sitkin Daily Update
2025-06-04 19:26:51 UTC, Spurr, Great Sitkin Daily Update
2025-06-03 20:12:28 UTC, Spurr, Great Sitkin Daily Update
2025-06-02 20:06:02 UTC, Spurr, Great Sitkin Daily Update
2025-06-01 18:58:33 UTC, Spurr, Great Sitkin Daily Update
2025-05-31 18:50:20 UTC, Spurr, Great Sitkin Daily Update
2025-05-30 20:46:49 UTC, Spurr, Great Sitkin Weekly Update
2025-05-29 20:10:33 UTC, Spurr, Great Sitkin Daily Update
2025-05-28 20:17:44 UTC, Spurr Information Statement YELLOW ADVISORY
2025-05-28 20:13:50 UTC, Spurr, Great Sitkin Daily Update
2025-05-27 19:06:28 UTC, Spurr, Great Sitkin Daily Update
2025-05-26 17:52:28 UTC, Spurr, Great Sitkin Daily Update
2025-05-25 20:14:37 UTC, Spurr, Great Sitkin Daily Update
2025-05-24 19:17:42 UTC, Spurr, Great Sitkin Daily Update
2025-05-23 20:15:59 UTC, Spurr, Great Sitkin Weekly Update
2025-05-22 20:46:25 UTC, Spurr, Great Sitkin Daily Update
2025-05-21 20:30:14 UTC, Spurr, Great Sitkin Daily Update
2025-05-20 21:08:41 UTC, Spurr, Great Sitkin Daily Update
2025-05-19 20:15:51 UTC, Spurr, Great Sitkin Daily Update
2025-05-18 18:20:03 UTC, Spurr, Great Sitkin Daily Update
2025-05-17 18:16:02 UTC, Spurr, Great Sitkin Daily Update
2025-05-16 20:15:06 UTC, Spurr, Great Sitkin Weekly Update
2025-05-15 18:49:34 UTC, Spurr, Great Sitkin Daily Update
2025-05-14 18:19:38 UTC, Spurr, Great Sitkin Daily Update
2025-05-13 17:55:32 UTC, Spurr, Great Sitkin Daily Update
California Volcano Observatory
2025-06-10 17:09:07 UTC, Weekly Update2025-06-03 18:23:03 UTC, Weekly Update
2025-05-27 20:13:45 UTC, Weekly Update
2025-05-20 17:04:06 UTC, Weekly Update
2025-05-13 16:16:37 UTC, Weekly Update
Cascades Volcano Observatory
2025-06-06 18:12:11 UTC, Cascade Range Weekly Update2025-05-30 18:49:36 UTC, Cascade Range Weekly Update
2025-05-23 20:22:17 UTC, Cascade Range Weekly Update
2025-05-16 17:34:25 UTC, Cascade Range Weekly Update
Hawaiian Volcano Observatory
2025-06-12 06:27:42 UTC, Kilauea Volcano Observatory Notice for Aviation ORANGE WATCH2025-06-12 06:27:42 UTC, Kilauea Volcano Activity Notification ORANGE WATCH
2025-06-11 22:39:28 UTC, Kilauea Volcano Observatory Notice for Aviation ORANGE WATCH
2025-06-11 22:39:28 UTC, Kilauea Volcano Activity Notification ORANGE WATCH
2025-06-11 18:56:57 UTC, Kilauea Daily Update
2025-06-10 19:59:02 UTC, Kilauea Daily Update
2025-06-10 17:56:51 UTC, Kilauea Volcano Activity Notification ORANGE WATCH
2025-06-10 17:56:51 UTC, Kilauea Volcano Observatory Notice for Aviation ORANGE WATCH
2025-06-10 02:27:07 UTC, Mauna Loa, Hualalai, Haleakala, Mauna Kea, Kama'ehuakanaloa Monthly Update
2025-06-09 19:41:29 UTC, Kilauea Daily Update
2025-06-09 19:10:56 UTC, Ofu-Olosega, Ta'u Island, Tutuila Island Monthly Update
2025-06-08 19:06:00 UTC, Kilauea Daily Update
2025-06-07 19:55:43 UTC, Kilauea Daily Update
2025-06-06 20:33:45 UTC, Kilauea Daily Update
2025-06-05 19:14:40 UTC, Kilauea Daily Update
2025-06-05 15:37:45 UTC, Kilauea Volcano Observatory Notice for Aviation ORANGE WATCH
2025-06-05 15:37:45 UTC, Kilauea Volcano Activity Notification ORANGE WATCH
2025-06-05 08:51:18 UTC, Kilauea Volcano Activity Notification ORANGE WATCH
2025-06-05 08:51:18 UTC, Kilauea Volcano Observatory Notice for Aviation ORANGE WATCH
2025-06-04 19:20:39 UTC, Kilauea Daily Update
2025-06-03 22:36:19 UTC, Kilauea Volcano Activity Notification ORANGE WATCH
2025-06-03 22:36:19 UTC, Kilauea Volcano Observatory Notice for Aviation ORANGE WATCH
2025-06-03 18:55:53 UTC, Kilauea Daily Update
2025-06-02 18:30:03 UTC, Kilauea Daily Update
2025-06-01 18:30:03 UTC, Kilauea Daily Update
2025-05-31 18:45:02 UTC, Kilauea Daily Update
2025-05-30 18:45:03 UTC, Kilauea Daily Update
2025-05-30 01:21:57 UTC, Kilauea Information Statement ORANGE WATCH
2025-05-29 18:50:04 UTC, Kilauea Daily Update
2025-05-28 19:00:03 UTC, Kilauea Daily Update
2025-05-27 21:45:49 UTC, Kilauea Daily Update
2025-05-26 20:25:18 UTC, Kilauea Daily Update
2025-05-26 08:45:38 UTC, Kilauea Status Report ORANGE WATCH
2025-05-26 03:33:52 UTC, Kilauea Status Report ORANGE WATCH
2025-05-25 19:12:13 UTC, Kilauea Daily Update
2025-05-24 18:38:31 UTC, Kilauea Daily Update
2025-05-23 19:40:40 UTC, Kilauea Daily Update
2025-05-22 19:17:51 UTC, Kilauea Daily Update
2025-05-21 18:56:22 UTC, Kilauea Daily Update
2025-05-20 20:14:35 UTC, Kilauea Information Statement ORANGE WATCH
2025-05-20 19:12:54 UTC, Kilauea Daily Update
2025-05-19 19:13:28 UTC, Kilauea Daily Update
2025-05-18 19:47:27 UTC, Kilauea Daily Update
2025-05-17 20:27:24 UTC, Kilauea Daily Update
2025-05-17 01:55:38 UTC, Kilauea Status Report ORANGE WATCH
2025-05-16 20:29:46 UTC, Kilauea Daily Update
2025-05-16 16:17:58 UTC, Kilauea Status Report ORANGE WATCH
2025-05-15 19:09:28 UTC, Kilauea Daily Update
2025-05-14 19:10:44 UTC, Kilauea Daily Update
2025-05-13 20:38:19 UTC, Kilauea Daily Update
Northern Mariana Islands
2025-06-06 01:20:42 UTC, Ahyi Seamount Weekly Update2025-05-29 23:56:09 UTC, Ahyi Seamount Weekly Update
2025-05-23 00:39:59 UTC, Ahyi Seamount Weekly Update
2025-05-15 19:25:46 UTC, Ahyi Seamount Weekly Update
Yellowstone Volcano Observatory
2025-06-02 17:04:06 UTC, Yellowstone Monthly UpdateElevated Volcanoes
Alaska Volcano Observatory
Great Sitkin 2025-06-11 18:36:48 UTC ORANGE WATCHSpurr 2025-06-11 18:36:48 UTC YELLOW ADVISORY
Hawaiian Volcano Observatory
Kilauea 2025-06-12 06:27:42 UTC ORANGE WATCHNorthern Mariana Islands
Ahyi Seamount 2025-06-06 01:20:42 UTC YELLOW ADVISORYCommon Alerting Protocol RSS Feed
Monitored Volcanoes
Alaska Volcano Observatory
Akutan 2019-09-06 18:29:39 UTC GREEN NORMALAlaskan Volcanoes 2010-08-20 20:39:48 UTC GREEN NORMAL
Aniakchak 2024-07-08 20:52:29 UTC GREEN NORMAL
Atka volcanic complex 2025-05-05 20:00:48 UTC GREEN NORMAL
Augustine 2019-09-06 18:29:39 UTC GREEN NORMAL
Cleveland 2024-07-08 21:06:48 UTC GREEN NORMAL
Dutton 2019-09-06 18:29:39 UTC GREEN NORMAL
Edgecumbe 2024-02-09 19:57:42 UTC GREEN NORMAL
Fisher 2024-05-13 23:43:30 UTC GREEN NORMAL
Gareloi 2024-03-05 20:50:34 UTC GREEN NORMAL
Great Sitkin 2025-06-11 18:36:48 UTC ORANGE WATCH
Griggs 2022-03-18 23:33:23 UTC GREEN NORMAL
Isanotski UTC GREEN NORMAL
Kanaga 2024-02-27 20:55:59 UTC GREEN NORMAL
Katmai 2025-04-11 20:23:15 UTC GREEN NORMAL
Korovin 2020-12-04 20:29:15 UTC GREEN NORMAL
Little Sitkin 2022-07-14 22:40:33 UTC GREEN NORMAL
Mageik 2023-01-11 23:08:56 UTC GREEN NORMAL
Makushin 2020-09-08 21:52:54 UTC GREEN NORMAL
Martin 2023-01-11 23:08:56 UTC GREEN NORMAL
Novarupta 2022-03-18 23:33:23 UTC GREEN NORMAL
Pavlof 2023-01-20 20:29:55 UTC GREEN NORMAL
Redoubt 2010-04-23 20:27:31 UTC GREEN NORMAL
Semisopochnoi 2023-08-04 22:57:33 UTC GREEN NORMAL
Shishaldin 2024-08-30 19:02:18 UTC GREEN NORMAL
Snowy Mountain 2022-03-18 23:33:23 UTC GREEN NORMAL
Spurr 2025-06-11 18:36:48 UTC YELLOW ADVISORY
Takawangha 2024-01-29 23:13:47 UTC GREEN NORMAL
Tanaga 2024-01-29 23:13:47 UTC GREEN NORMAL
Trident 2024-01-10 20:04:36 UTC GREEN NORMAL
Ugashik-Peulik 2022-10-19 23:05:08 UTC GREEN NORMAL
Ukinrek Maars 2022-10-19 23:05:08 UTC GREEN NORMAL
Veniaminof 2021-07-09 21:30:29 UTC GREEN NORMAL
Westdahl 2024-05-13 23:43:30 UTC GREEN NORMAL
Wrangell 2024-10-01 18:04:56 UTC GREEN NORMAL
California Volcano Observatory
Clear Lake Volcanic Field UTC GREEN NORMALCoso Volcanic Field 2019-07-11 23:36:44 UTC GREEN NORMAL
Lassen Volcanic Center 2009-11-18 16:05:08 UTC GREEN NORMAL
Long Valley Caldera 2012-01-13 01:46:31 UTC GREEN NORMAL
Mammoth Mountain UTC GREEN NORMAL
Medicine Lake volcano UTC GREEN NORMAL
Mono Lake Volcanic Field UTC GREEN NORMAL
Mono-Inyo Craters UTC GREEN NORMAL
Mount Shasta UTC GREEN NORMAL
Salton Buttes UTC GREEN NORMAL
Ubehebe Craters UTC GREEN NORMAL
Cascades Volcano Observatory
Cascade Range 2025-06-06 18:12:11 UTC GREEN NORMALCrater Lake UTC GREEN NORMAL
Glacier Peak UTC GREEN NORMAL
Mount Adams 2024-10-03 19:37:15 UTC GREEN NORMAL
Mount Baker UTC GREEN NORMAL
Mount Hood 2021-06-06 04:38:06 UTC GREEN NORMAL
Mount Jefferson UTC GREEN NORMAL
Mount Rainier UTC GREEN NORMAL
Mount St. Helens 2023-10-30 22:53:25 UTC GREEN NORMAL
Newberry 2024-12-18 21:47:10 UTC GREEN NORMAL
Three Sisters 2022-01-31 20:45:17 UTC GREEN NORMAL
Hawaiian Volcano Observatory
Haleakala 2025-06-10 02:27:07 UTC GREEN NORMALHualalai 2025-06-10 02:27:07 UTC GREEN NORMAL
Kilauea 2025-06-12 06:27:42 UTC ORANGE WATCH
Mauna Kea 2025-06-10 02:27:07 UTC GREEN NORMAL
Mauna Loa 2025-06-10 02:27:07 UTC GREEN NORMAL
Ofu-Olosega 2025-06-09 19:10:56 UTC GREEN NORMAL
Ta'u Island 2025-06-09 19:10:56 UTC GREEN NORMAL
Tutuila Island 2025-06-09 19:10:56 UTC GREEN NORMAL