Hazard Notification System (HANS) for Volcanoes

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Last 24 Hours

Alaska Volcano Observatory

2025-10-16 19:33:25 UTC, Great Sitkin, Shishaldin Daily Update

Hawaiian Volcano Observatory

2025-10-16 19:12:34 UTC, Kilauea Daily Update


Recent Notices

AVO | CalVO | CVO | HVO | NMI | YVO

Alaska Volcano Observatory

2025-10-16 19:33:25 UTC, Great Sitkin, Shishaldin Daily Update

2025-10-15 19:07:16 UTC, Great Sitkin, Shishaldin Daily Update

2025-10-14 19:46:30 UTC, Great Sitkin, Shishaldin Daily Update

2025-10-13 20:11:53 UTC, Great Sitkin, Shishaldin Daily Update

2025-10-12 19:38:03 UTC, Great Sitkin, Shishaldin Daily Update

2025-10-11 19:22:29 UTC, Great Sitkin, Shishaldin Daily Update

2025-10-10 20:04:10 UTC, Great Sitkin, Shishaldin Weekly Update

2025-10-09 19:24:49 UTC, Great Sitkin, Shishaldin Daily Update

2025-10-08 19:33:57 UTC, Great Sitkin, Shishaldin Daily Update

2025-10-07 19:18:22 UTC, Great Sitkin, Shishaldin Daily Update

2025-10-06 17:49:54 UTC, Great Sitkin, Shishaldin Daily Update

2025-10-05 19:07:01 UTC, Great Sitkin, Shishaldin Daily Update

2025-10-04 18:10:40 UTC, Great Sitkin, Shishaldin Daily Update

2025-10-03 18:40:12 UTC, Great Sitkin, Shishaldin Weekly Update

2025-10-02 18:18:42 UTC, Great Sitkin, Shishaldin Daily Update

2025-10-01 20:05:43 UTC, Great Sitkin, Shishaldin Daily Update

2025-09-30 18:44:20 UTC, Great Sitkin, Shishaldin Daily Update

2025-09-29 19:35:16 UTC, Great Sitkin, Shishaldin Daily Update

2025-09-28 19:39:46 UTC, Great Sitkin, Shishaldin Daily Update

2025-09-27 19:16:50 UTC, Great Sitkin, Shishaldin Daily Update

2025-09-27 15:23:41 UTC, Katmai Information Statement GREEN NORMAL

2025-09-26 19:14:33 UTC, Great Sitkin, Shishaldin Weekly Update

2025-09-25 19:50:38 UTC, Great Sitkin, Shishaldin Daily Update

2025-09-24 19:46:15 UTC, Great Sitkin, Shishaldin Daily Update

2025-09-23 18:42:01 UTC, Great Sitkin, Shishaldin Daily Update

2025-09-22 19:53:29 UTC, Great Sitkin, Shishaldin Daily Update

2025-09-22 16:53:49 UTC, Katmai Information Statement GREEN NORMAL

2025-09-21 20:06:05 UTC, Great Sitkin, Shishaldin Daily Update

2025-09-20 20:45:47 UTC, Great Sitkin, Shishaldin Daily Update

2025-09-19 20:17:14 UTC, Great Sitkin, Shishaldin Weekly Update

2025-09-18 20:21:09 UTC, Great Sitkin, Shishaldin Daily Update

2025-09-17 18:40:06 UTC, Great Sitkin, Shishaldin Daily Update

2025-09-16 20:14:19 UTC, Great Sitkin, Shishaldin Daily Update

California Volcano Observatory

2025-10-14 16:42:17 UTC, Weekly Update

2025-10-07 16:47:21 UTC, Weekly Update

2025-09-30 18:41:23 UTC, Weekly Update

2025-09-23 20:32:00 UTC, Weekly Update

2025-09-16 19:27:10 UTC, Weekly Update

Cascades Volcano Observatory

2025-10-10 16:37:36 UTC, Cascade Range Weekly Update

2025-10-03 15:44:00 UTC, Cascade Range Weekly Update

2025-09-26 18:13:39 UTC, Cascade Range Weekly Update

2025-09-19 20:57:35 UTC, Cascade Range Weekly Update

2025-09-16 17:42:02 UTC, Mount St. Helens Information Statement GREEN NORMAL

Hawaiian Volcano Observatory

2025-10-16 19:12:34 UTC, Kilauea Daily Update

2025-10-15 18:36:11 UTC, Kilauea Daily Update

2025-10-14 18:29:23 UTC, Kilauea Daily Update

2025-10-13 19:02:50 UTC, Kilauea Daily Update

2025-10-12 18:38:17 UTC, Kilauea Daily Update

2025-10-11 18:30:21 UTC, Kilauea Daily Update

2025-10-10 18:05:57 UTC, Kilauea Daily Update

2025-10-09 18:04:34 UTC, Kilauea Daily Update

2025-10-08 18:16:00 UTC, Kilauea Daily Update

2025-10-07 17:50:09 UTC, Kilauea Daily Update

2025-10-06 18:41:28 UTC, Kilauea Daily Update

2025-10-05 17:37:18 UTC, Kilauea Daily Update

2025-10-04 18:27:22 UTC, Kilauea Daily Update

2025-10-03 18:01:21 UTC, Kilauea Daily Update

2025-10-03 07:17:01 UTC, Information Statement

2025-10-02 18:48:00 UTC, Kilauea Daily Update

2025-10-02 18:17:49 UTC, Ofu-Olosega, Ta'u Island, Tutuila Island Monthly Update

2025-10-02 18:14:01 UTC, Mauna Loa, Hualalai, Haleakala, Mauna Kea, Kama'ehuakanaloa Monthly Update

2025-10-01 19:46:29 UTC, Kilauea Daily Update

2025-10-01 17:31:43 UTC, Kilauea Volcano Activity Notification ORANGE WATCH

2025-10-01 17:31:43 UTC, Kilauea Volcano Observatory Notice for Aviation ORANGE WATCH

2025-10-01 11:13:38 UTC, Kilauea Volcano Observatory Notice for Aviation ORANGE WATCH

2025-10-01 11:13:38 UTC, Kilauea Volcano Activity Notification ORANGE WATCH

2025-10-01 10:30:12 UTC, Kilauea Status Report ORANGE WATCH

2025-09-30 18:50:05 UTC, Kilauea Daily Update

2025-09-29 18:25:54 UTC, Kilauea Daily Update

2025-09-28 18:30:04 UTC, Kilauea Daily Update

2025-09-27 18:40:03 UTC, Kilauea Daily Update

2025-09-26 19:00:06 UTC, Kilauea Daily Update

2025-09-25 17:55:50 UTC, Kilauea Daily Update

2025-09-24 18:50:02 UTC, Kilauea Daily Update

2025-09-23 19:05:01 UTC, Kilauea Daily Update

2025-09-22 18:58:18 UTC, Kilauea Daily Update

2025-09-21 19:46:29 UTC, Kilauea Daily Update

2025-09-20 19:35:46 UTC, Kilauea Daily Update

2025-09-19 22:49:04 UTC, Kilauea Volcano Activity Notification ORANGE WATCH

2025-09-19 22:49:04 UTC, Kilauea Volcano Observatory Notice for Aviation ORANGE WATCH

2025-09-19 19:21:59 UTC, Kilauea Daily Update

2025-09-19 13:40:36 UTC, Kilauea Volcano Activity Notification ORANGE WATCH

2025-09-19 13:40:36 UTC, Kilauea Volcano Observatory Notice for Aviation ORANGE WATCH

2025-09-19 06:45:45 UTC, Information Statement

2025-09-18 19:22:59 UTC, Kilauea Daily Update

2025-09-17 19:32:54 UTC, Kilauea Daily Update

2025-09-16 17:50:36 UTC, Kilauea Daily Update

Northern Mariana Islands

2025-10-09 19:49:18 UTC, Ahyi Seamount Weekly Update

2025-10-02 22:18:20 UTC, Weekly Update

2025-09-25 23:10:45 UTC, Weekly Update

2025-09-18 23:10:11 UTC, Weekly Update

Yellowstone Volcano Observatory

2025-10-01 18:49:42 UTC, Yellowstone Monthly Update

Elevated Volcanoes

Alaska Volcano Observatory

Great Sitkin 2025-10-16 19:33:25 UTC ORANGE WATCH
Shishaldin 2025-10-16 19:33:25 UTC YELLOW ADVISORY

Hawaiian Volcano Observatory

Kilauea 2025-10-16 19:12:34 UTC ORANGE WATCH


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 2025-05-05 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 2025-10-16 19:33:25 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 2025-09-27 15:23:41 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 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 2025-10-16 19:33:25 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 2025-10-10 16:37:36 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 2025-10-02 18:14:01 UTC GREEN NORMAL
Hualalai 2025-10-02 18:14:01 UTC GREEN NORMAL
Kilauea 2025-10-16 19:12:34 UTC ORANGE WATCH
Mauna Kea 2025-10-02 18:14:01 UTC GREEN NORMAL
Mauna Loa 2025-10-02 18:14:01 UTC GREEN NORMAL
Ofu-Olosega 2025-10-02 18:17:49 UTC GREEN NORMAL
Ta'u Island 2025-10-02 18:17:49 UTC GREEN NORMAL
Tutuila Island 2025-10-02 18:17:49 UTC GREEN NORMAL

Yellowstone Volcano Observatory

Yellowstone 2025-10-01 18:49:42 UTC GREEN NORMAL