Hazard Notification System (HANS) for Volcanoes

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Alaska Volcano Observatory

2025-04-12 18:39:08 UTC, Spurr, Great Sitkin Daily Update

Hawaiian Volcano Observatory

2025-04-12 19:40:05 UTC, Kilauea Daily Update


Recent Notices

AVO | CalVO | CVO | HVO | NMI | YVO

Alaska Volcano Observatory

2025-04-12 18:39:08 UTC, Spurr, Great Sitkin Daily Update

2025-04-11 20:23:15 UTC, Spurr, Great Sitkin, Katmai Weekly Update

2025-04-10 18:24:16 UTC, Spurr, Great Sitkin Daily Update

2025-04-09 19:26:53 UTC, Spurr, Great Sitkin, Katmai Daily Update

2025-04-09 13:25:16 UTC, Katmai Information Statement GREEN NORMAL

2025-04-08 17:56:05 UTC, Spurr, Great Sitkin Daily Update

2025-04-07 19:56:06 UTC, Spurr, Great Sitkin, Katmai Daily Update

2025-04-07 08:00:42 UTC, Katmai Information Statement GREEN NORMAL

2025-04-06 17:20:03 UTC, Spurr, Great Sitkin Daily Update

2025-04-05 18:37:19 UTC, Spurr, Great Sitkin Daily Update

2025-04-04 20:31:44 UTC, Spurr, Great Sitkin, Katmai Weekly Update

2025-04-03 19:49:29 UTC, Spurr, Great Sitkin Daily Update

2025-04-02 18:25:51 UTC, Spurr, Great Sitkin Daily Update

2025-04-01 19:56:12 UTC, Spurr, Great Sitkin Daily Update

2025-03-31 20:25:17 UTC, Spurr, Great Sitkin, Katmai Daily Update

2025-03-31 20:22:28 UTC, Katmai Information Statement GREEN NORMAL

2025-03-30 18:32:33 UTC, Spurr, Great Sitkin Daily Update

2025-03-29 18:33:30 UTC, Spurr, Great Sitkin Daily Update

2025-03-28 20:20:48 UTC, Spurr, Great Sitkin Weekly Update

2025-03-27 19:55:40 UTC, Spurr, Great Sitkin Daily Update

2025-03-26 20:18:29 UTC, Spurr, Great Sitkin Daily Update

2025-03-25 18:48:10 UTC, Spurr, Great Sitkin Daily Update

2025-03-24 20:09:42 UTC, Spurr, Great Sitkin Daily Update

2025-03-23 18:35:12 UTC, Spurr, Great Sitkin Daily Update

2025-03-22 18:21:29 UTC, Spurr, Great Sitkin Daily Update

2025-03-21 19:51:00 UTC, Spurr, Great Sitkin Weekly Update

2025-03-20 19:44:16 UTC, Spurr, Great Sitkin Daily Update

2025-03-19 19:32:27 UTC, Spurr, Great Sitkin Daily Update

2025-03-18 17:51:29 UTC, Spurr, Great Sitkin Daily Update

2025-03-17 20:14:53 UTC, Spurr, Great Sitkin Daily Update

2025-03-16 18:37:58 UTC, Great Sitkin, Spurr Daily Update

2025-03-16 14:47:41 UTC, Katmai Information Statement GREEN NORMAL

2025-03-15 18:42:04 UTC, Great Sitkin, Spurr Daily Update

2025-03-14 20:29:07 UTC, Great Sitkin, Spurr Weekly Update

2025-03-13 17:56:32 UTC, Great Sitkin, Spurr Daily Update

California Volcano Observatory

2025-04-08 16:10:24 UTC, Weekly Update

2025-04-01 17:18:55 UTC, Weekly Update

2025-03-25 17:15:26 UTC, Weekly Update

2025-03-18 17:34:58 UTC, Weekly Update

Cascades Volcano Observatory

2025-04-11 17:22:02 UTC, Cascade Range Weekly Update

2025-04-04 15:28:44 UTC, Cascade Range Weekly Update

2025-03-28 20:33:09 UTC, Cascade Range Weekly Update

2025-03-21 20:27:44 UTC, Cascade Range Weekly Update

2025-03-14 19:07:09 UTC, Cascade Range Weekly Update

Hawaiian Volcano Observatory

2025-04-12 19:40:05 UTC, Kilauea Daily Update

2025-04-11 19:18:00 UTC, Kilauea Daily Update

2025-04-10 19:49:54 UTC, Kilauea Daily Update

2025-04-09 20:16:38 UTC, Kilauea Status Report ORANGE WATCH

2025-04-09 19:17:23 UTC, Kilauea Daily Update

2025-04-08 19:10:43 UTC, Kilauea Daily Update

2025-04-08 12:52:01 UTC, Kilauea Status Report ORANGE WATCH

2025-04-07 19:47:59 UTC, Kilauea Daily Update

2025-04-06 19:25:16 UTC, Kilauea Daily Update

2025-04-05 19:26:34 UTC, Kilauea Daily Update

2025-04-04 19:55:10 UTC, Kilauea Daily Update

2025-04-03 21:02:26 UTC, Ofu-Olosega, Ta'u Island, Tutuila Island Monthly Update

2025-04-03 20:59:56 UTC, Mauna Loa, Hualalai, Haleakala, Mauna Kea, Kama'ehuakanaloa Monthly Update

2025-04-03 19:52:46 UTC, Kilauea Daily Update

2025-04-02 22:23:11 UTC, Kilauea Status Report ORANGE WATCH

2025-04-02 20:56:14 UTC, Kilauea Daily Update

2025-04-01 21:22:51 UTC, Kilauea Status Report ORANGE WATCH

2025-04-01 19:44:35 UTC, Kilauea Daily Update

2025-04-01 09:49:04 UTC, Kilauea Status Report ORANGE WATCH

2025-03-31 19:58:29 UTC, Kilauea Daily Update

2025-03-30 19:38:38 UTC, Kilauea Daily Update

2025-03-29 19:48:19 UTC, Kilauea Daily Update

2025-03-28 20:18:41 UTC, Kilauea Daily Update

2025-03-27 20:22:26 UTC, Kilauea Daily Update

2025-03-27 05:55:00 UTC, Kilauea Status Report ORANGE WATCH

2025-03-26 20:45:56 UTC, Kilauea Status Report ORANGE WATCH

2025-03-26 19:36:37 UTC, Kilauea Daily Update

2025-03-26 00:02:00 UTC, Kilauea Status Report ORANGE WATCH

2025-03-25 19:54:03 UTC, Kilauea Daily Update

2025-03-24 19:57:53 UTC, Kilauea Daily Update

2025-03-23 19:55:32 UTC, Kilauea Daily Update

2025-03-22 20:11:00 UTC, Kilauea Daily Update

2025-03-21 20:12:41 UTC, Kilauea Daily Update

2025-03-21 00:25:04 UTC, Kilauea Status Report ORANGE WATCH

2025-03-20 18:06:51 UTC, Kilauea Daily Update

2025-03-19 21:20:43 UTC, Kilauea Daily Update

2025-03-19 16:02:43 UTC, Kilauea Status Report ORANGE WATCH

2025-03-18 18:48:54 UTC, Kilauea Daily Update

2025-03-17 18:28:10 UTC, Kilauea Daily Update

2025-03-16 18:28:23 UTC, Kilauea Daily Update

2025-03-15 18:38:29 UTC, Kilauea Daily Update

2025-03-15 05:03:40 UTC, Information Statement

2025-03-14 19:25:43 UTC, Kilauea Daily Update

2025-03-13 20:08:53 UTC, Kilauea Daily Update

Northern Mariana Islands

2025-04-10 23:58:01 UTC, Ahyi Seamount Weekly Update

2025-04-04 00:03:33 UTC, Ahyi Seamount Weekly Update

2025-03-27 19:27:51 UTC, Ahyi Seamount Weekly Update

2025-03-20 21:21:33 UTC, Ahyi Seamount Weekly Update

2025-03-13 23:40:45 UTC, Ahyi Seamount Weekly Update

Yellowstone Volcano Observatory

2025-04-01 18:46:24 UTC, Yellowstone Monthly Update

Elevated Volcanoes

Alaska Volcano Observatory

Great Sitkin 2025-04-12 18:39:08 UTC ORANGE WATCH
Spurr 2025-04-12 18:39:08 UTC YELLOW ADVISORY

Hawaiian Volcano Observatory

Kilauea 2025-04-12 19:40:05 UTC ORANGE WATCH

Northern Mariana Islands

Ahyi Seamount 2025-04-10 23:58:01 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
Aniakchak 2024-07-08 20:52:29 UTC GREEN NORMAL
Atka volcanic complex 2025-03-03 23:52:27 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 2025-04-12 18:39:08 UTC ORANGE WATCH
Griggs 2022-03-18 23:33:23 UTC GREEN NORMAL
Iliamna 2023-06-09 19:53:51 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 2025-04-12 18:39:08 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 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 2025-04-11 17:22:02 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 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 2025-04-03 20:59:56 UTC GREEN NORMAL
Hualalai 2025-04-03 20:59:56 UTC GREEN NORMAL
Kilauea 2025-04-12 19:40:05 UTC ORANGE WATCH
Mauna Kea 2025-04-03 20:59:56 UTC GREEN NORMAL
Mauna Loa 2025-04-03 20:59:56 UTC GREEN NORMAL
Ofu-Olosega 2025-04-03 21:02:26 UTC GREEN NORMAL
Ta'u Island 2025-04-03 21:02:26 UTC GREEN NORMAL
Tutuila Island 2025-04-03 21:02:26 UTC GREEN NORMAL

Northern Mariana Islands

Ahyi Seamount 2025-04-10 23:58:01 UTC YELLOW ADVISORY

Yellowstone Volcano Observatory

Yellowstone 2025-04-01 18:46:24 UTC GREEN NORMAL