Hazard Notification System (HANS) for Volcanoes

Home | VONAs | Volcano Notice Search | Resources


USGS Volcano Notifications

Back

Last 24 Hours

Alaska Volcano Observatory

2026-01-17 19:36:01 UTC, Great Sitkin, Shishaldin, Pavlof Daily Update

Hawaiian Volcano Observatory

2026-01-17 19:26:01 UTC, Kilauea Daily Update


Recent Notices

AVO | CalVO | CVO | HVO | NMI | YVO

Alaska Volcano Observatory

2026-01-17 19:36:01 UTC, Great Sitkin, Shishaldin, Pavlof Daily Update

2026-01-16 20:06:42 UTC, Great Sitkin, Shishaldin, Pavlof Weekly Update

2026-01-16 02:47:25 UTC, Aniakchak Information Statement UNASSIGNED UNASSIGNED

2026-01-15 22:08:02 UTC, Great Sitkin, Shishaldin, Pavlof Daily Update

2026-01-14 20:28:16 UTC, Great Sitkin, Shishaldin, Pavlof Daily Update

2026-01-14 20:03:44 UTC, Pavlof Volcano Activity Notification YELLOW ADVISORY

2026-01-14 20:03:44 UTC, Pavlof Volcano Observatory Notice for Aviation YELLOW ADVISORY

2026-01-13 19:28:49 UTC, Great Sitkin, Shishaldin Daily Update

2026-01-12 20:44:24 UTC, Great Sitkin, Shishaldin Daily Update

2026-01-11 19:00:05 UTC, Great Sitkin, Shishaldin Daily Update

2026-01-10 21:25:40 UTC, Great Sitkin, Shishaldin Daily Update

2026-01-09 20:30:23 UTC, Great Sitkin, Shishaldin Weekly Update

2026-01-08 19:28:09 UTC, Great Sitkin, Shishaldin Daily Update

2026-01-07 22:00:04 UTC, Great Sitkin, Shishaldin Daily Update

2026-01-06 21:30:52 UTC, Great Sitkin, Shishaldin Daily Update

2026-01-05 21:00:48 UTC, Great Sitkin, Shishaldin Daily Update

2026-01-04 19:26:37 UTC, Great Sitkin, Shishaldin Daily Update

2026-01-03 19:53:04 UTC, Great Sitkin, Shishaldin Daily Update

2026-01-02 20:45:24 UTC, Great Sitkin, Shishaldin Weekly Update

2026-01-01 19:54:12 UTC, Great Sitkin, Shishaldin Daily Update

2025-12-31 19:02:13 UTC, Great Sitkin, Shishaldin Daily Update

2025-12-31 00:41:19 UTC, Katmai Information Statement GREEN NORMAL

2025-12-30 20:39:39 UTC, Great Sitkin, Shishaldin Daily Update

2025-12-29 20:32:11 UTC, Great Sitkin, Shishaldin Daily Update

2025-12-28 20:15:21 UTC, Great Sitkin, Shishaldin Daily Update

2025-12-27 20:13:14 UTC, Great Sitkin, Shishaldin Daily Update

2025-12-26 20:57:14 UTC, Great Sitkin, Shishaldin Weekly Update

2025-12-25 20:55:47 UTC, Great Sitkin, Shishaldin Daily Update

2025-12-24 19:14:08 UTC, Great Sitkin, Shishaldin Daily Update

2025-12-23 20:49:58 UTC, Great Sitkin, Shishaldin Daily Update

2025-12-23 20:23:05 UTC, Aniakchak Volcano Observatory Notice for Aviation UNASSIGNED UNASSIGNED

2025-12-23 20:23:05 UTC, Aniakchak Volcano Activity Notification UNASSIGNED UNASSIGNED

2025-12-22 22:40:02 UTC, Great Sitkin, Shishaldin Daily Update

2025-12-21 20:19:05 UTC, Great Sitkin, Shishaldin Daily Update

2025-12-20 19:41:08 UTC, Great Sitkin, Shishaldin Daily Update

2025-12-19 20:55:59 UTC, Great Sitkin, Shishaldin Weekly Update

2025-12-18 19:00:12 UTC, Great Sitkin, Shishaldin Daily Update

California Volcano Observatory

2026-01-13 18:49:24 UTC, Weekly Update

2026-01-06 16:42:45 UTC, Weekly Update

2025-12-30 18:03:44 UTC, Weekly Update

2025-12-23 19:12:33 UTC, Weekly Update

Cascades Volcano Observatory

2026-01-16 17:48:15 UTC, Cascade Range Weekly Update

2026-01-09 19:14:27 UTC, Cascade Range Weekly Update

2026-01-02 18:59:23 UTC, Cascade Range Weekly Update

2025-12-19 19:29:58 UTC, Cascade Range Weekly Update

Hawaiian Volcano Observatory

2026-01-17 19:26:01 UTC, Kilauea Daily Update

2026-01-16 18:34:43 UTC, Kilauea Daily Update

2026-01-15 19:32:17 UTC, Kilauea Daily Update

2026-01-15 08:05:48 UTC, Kilauea Information Statement ORANGE WATCH

2026-01-14 20:12:42 UTC, Kilauea Daily Update

2026-01-13 19:14:25 UTC, Kilauea Daily Update

2026-01-13 04:13:29 UTC, Kilauea Volcano Activity Notification ORANGE WATCH

2026-01-13 04:13:29 UTC, Kilauea Volcano Observatory Notice for Aviation ORANGE WATCH

2026-01-12 19:50:42 UTC, Kilauea Daily Update

2026-01-12 18:34:52 UTC, Kilauea Volcano Observatory Notice for Aviation ORANGE WATCH

2026-01-12 18:34:52 UTC, Kilauea Volcano Activity Notification ORANGE WATCH

2026-01-11 19:23:58 UTC, Kilauea Daily Update

2026-01-10 19:40:13 UTC, Kilauea Daily Update

2026-01-09 19:25:31 UTC, Kilauea Daily Update

2026-01-08 19:00:00 UTC, Kilauea Daily Update

2026-01-07 20:07:40 UTC, Kilauea Daily Update

2026-01-06 19:14:27 UTC, Kilauea Daily Update

2026-01-05 18:50:19 UTC, Kilauea Daily Update

2026-01-04 19:02:17 UTC, Kilauea Daily Update

2026-01-03 18:36:04 UTC, Kilauea Daily Update

2026-01-03 02:44:33 UTC, Ofu-Olosega, Ta'u Island, Tutuila Island Monthly Update

2026-01-03 02:42:49 UTC, Mauna Loa, Hualalai, Haleakala, Mauna Kea, Kama'ehuakanaloa Monthly Update

2026-01-02 18:58:16 UTC, Kilauea Daily Update

2026-01-01 19:01:02 UTC, Kilauea Daily Update

2025-12-31 19:06:26 UTC, Kilauea Daily Update

2025-12-30 17:45:53 UTC, Kilauea Daily Update

2025-12-29 18:50:42 UTC, Kilauea Daily Update

2025-12-28 19:00:13 UTC, Kilauea Daily Update

2025-12-27 18:33:51 UTC, Kilauea Daily Update

2025-12-25 17:17:01 UTC, Kilauea Daily Update

2025-12-24 19:25:02 UTC, Kilauea Daily Update

2025-12-24 12:33:25 UTC, Kilauea Volcano Observatory Notice for Aviation ORANGE WATCH

2025-12-24 12:33:25 UTC, Kilauea Volcano Activity Notification ORANGE WATCH

2025-12-24 06:27:21 UTC, Kilauea Volcano Observatory Notice for Aviation ORANGE WATCH

2025-12-24 06:27:21 UTC, Kilauea Volcano Activity Notification ORANGE WATCH

2025-12-23 18:24:36 UTC, Kilauea Daily Update

2025-12-22 19:22:20 UTC, Kilauea Daily Update

2025-12-21 19:24:26 UTC, Kilauea Daily Update

2025-12-20 18:42:09 UTC, Kilauea Daily Update

2025-12-19 18:34:39 UTC, Kilauea Daily Update

2025-12-18 19:16:40 UTC, Kilauea Daily Update

Northern Mariana Islands

2026-01-15 22:20:41 UTC, Ahyi Seamount Weekly Update

2026-01-08 23:16:34 UTC, Ahyi Seamount Weekly Update

2026-01-01 20:09:17 UTC, Ahyi Seamount Weekly Update

2025-12-26 01:10:15 UTC, Ahyi Seamount Weekly Update

2025-12-19 05:06:04 UTC, Ahyi Seamount Weekly Update

Yellowstone Volcano Observatory

2026-01-02 21:30:47 UTC, Yellowstone Monthly Update

Elevated Volcanoes

Alaska Volcano Observatory

Great Sitkin 2026-01-17 19:36:01 UTC ORANGE WATCH
Pavlof 2026-01-17 19:36:01 UTC YELLOW ADVISORY
Shishaldin 2026-01-17 19:36:01 UTC YELLOW ADVISORY

Hawaiian Volcano Observatory

Kilauea 2026-01-17 19:26:01 UTC ORANGE WATCH

Northern Mariana Islands

Ahyi Seamount 2026-01-15 22:20:41 UTC YELLOW ADVISORY


Common Alerting Protocol RSS Feed

Monitored Volcanoes

Alaska Volcano Observatory

Akutan 2019-09-06 18:29:39 UTC GREEN NORMAL
Alaskan Volcanoes 2010-08-20 20:39:48 UTC GREEN NORMAL
Atka volcanic complex 2025-11-04 20:55:49 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 2026-01-17 19:36:01 UTC ORANGE WATCH
Griggs 2022-03-18 23:33:23 UTC GREEN NORMAL
Iliamna 2025-07-04 17:37:25 UTC GREEN NORMAL
Isanotski UTC GREEN NORMAL
Kanaga 2024-02-27 20:55:59 UTC GREEN NORMAL
Katmai 2025-12-31 00:41:19 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
Okmok 2025-09-10 20:23:50 UTC GREEN NORMAL
Pavlof 2026-01-17 19:36:01 UTC YELLOW ADVISORY
Redoubt 2010-04-23 20:27:31 UTC GREEN NORMAL
Semisopochnoi 2023-08-04 22:57:33 UTC GREEN NORMAL
Shishaldin 2026-01-17 19:36:01 UTC YELLOW ADVISORY
Snowy Mountain 2022-03-18 23:33:23 UTC GREEN NORMAL
Spurr 2025-08-22 19:07:53 UTC GREEN NORMAL
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 NORMAL
Coso 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 2026-01-16 17:48:15 UTC GREEN NORMAL
Crater 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 2025-08-25 22:38:40 UTC GREEN NORMAL
Mount St. Helens 2025-09-16 17:42:02 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 2026-01-03 02:42:49 UTC GREEN NORMAL
Hualalai 2026-01-03 02:42:49 UTC GREEN NORMAL
Kilauea 2026-01-17 19:26:01 UTC ORANGE WATCH
Mauna Kea 2026-01-03 02:42:49 UTC GREEN NORMAL
Mauna Loa 2026-01-03 02:42:49 UTC GREEN NORMAL
Ofu-Olosega 2026-01-03 02:44:33 UTC GREEN NORMAL
Ta'u Island 2026-01-03 02:44:33 UTC GREEN NORMAL
Tutuila Island 2026-01-03 02:44:33 UTC GREEN NORMAL

Northern Mariana Islands

Ahyi Seamount 2026-01-15 22:20:41 UTC YELLOW ADVISORY

Yellowstone Volcano Observatory

Yellowstone 2026-01-02 21:30:47 UTC GREEN NORMAL