Hazard Notification System (HANS) for Volcanoes

Home | VONAs | Volcano Notice Search | Resources


USGS Volcano Notifications

Back

Last 24 Hours

Alaska Volcano Observatory

2026-03-18 19:46:58 UTC, Great Sitkin, Shishaldin, Atka volcanic complex Daily Update

Hawaiian Volcano Observatory

2026-03-19 01:15:20 UTC, Kilauea Volcano Observatory Notice for Aviation ORANGE WATCH

2026-03-19 01:15:20 UTC, Kilauea Volcano Activity Notification ORANGE WATCH

2026-03-18 19:14:36 UTC, Kilauea Daily Update


Recent Notices

AVO | CalVO | CVO | HVO | NMI | YVO

Alaska Volcano Observatory

2026-03-18 19:46:58 UTC, Great Sitkin, Shishaldin, Atka volcanic complex Daily Update

2026-03-17 19:43:43 UTC, Great Sitkin, Shishaldin, Atka volcanic complex Daily Update

2026-03-16 19:46:23 UTC, Great Sitkin, Shishaldin, Atka volcanic complex Daily Update

2026-03-16 00:47:22 UTC, Katmai Volcano Activity Notification GREEN NORMAL

2026-03-16 00:47:22 UTC, Katmai Volcano Observatory Notice for Aviation GREEN NORMAL

2026-03-15 18:54:30 UTC, Great Sitkin, Shishaldin, Atka volcanic complex Daily Update

2026-03-15 01:36:53 UTC, Atka volcanic complex Volcano Activity Notification YELLOW ADVISORY

2026-03-15 01:36:53 UTC, Atka volcanic complex Volcano Observatory Notice for Aviation YELLOW ADVISORY

2026-03-15 01:16:18 UTC, Atka volcanic complex Volcano Observatory Notice for Aviation ORANGE WATCH

2026-03-15 01:16:18 UTC, Atka volcanic complex Volcano Activity Notification ORANGE WATCH

2026-03-14 17:54:43 UTC, Great Sitkin, Shishaldin Daily Update

2026-03-13 19:06:19 UTC, Great Sitkin, Shishaldin Weekly Update

2026-03-12 19:10:20 UTC, Great Sitkin, Shishaldin Daily Update

2026-03-11 19:14:48 UTC, Great Sitkin, Shishaldin Daily Update

2026-03-11 16:12:35 UTC, Shishaldin Volcano Observatory Notice for Aviation YELLOW ADVISORY

2026-03-11 16:12:35 UTC, Shishaldin Volcano Activity Notification YELLOW ADVISORY

2026-03-10 19:16:43 UTC, Great Sitkin, Shishaldin Daily Update

2026-03-09 19:18:33 UTC, Westdahl Information Statement GREEN NORMAL

2026-03-09 19:18:33 UTC, Fisher Information Statement GREEN NORMAL

2026-03-09 19:00:24 UTC, Great Sitkin, Shishaldin Daily Update

2026-03-09 17:15:00 UTC, Katmai Volcano Activity Notification GREEN NORMAL

2026-03-09 17:15:00 UTC, Katmai Volcano Observatory Notice for Aviation GREEN NORMAL

2026-03-08 22:00:32 UTC, Great Sitkin, Shishaldin Daily Update

2026-03-07 21:15:02 UTC, Great Sitkin, Shishaldin Daily Update

2026-03-06 20:32:12 UTC, Great Sitkin, Shishaldin Weekly Update

2026-03-05 21:19:35 UTC, Great Sitkin, Shishaldin Daily Update

2026-03-04 20:09:18 UTC, Great Sitkin, Shishaldin Daily Update

2026-03-03 20:55:09 UTC, Great Sitkin, Shishaldin Daily Update

2026-03-02 23:20:34 UTC, Westdahl Information Statement UNASSIGNED UNASSIGNED

2026-03-02 23:20:34 UTC, Fisher Information Statement UNASSIGNED UNASSIGNED

2026-03-02 21:06:53 UTC, Great Sitkin, Shishaldin Daily Update

2026-03-01 19:18:25 UTC, Great Sitkin, Shishaldin Daily Update

2026-02-28 18:46:42 UTC, Great Sitkin, Shishaldin Daily Update

2026-02-27 20:55:44 UTC, Great Sitkin, Shishaldin, Semisopochnoi Weekly Update

2026-02-26 17:29:09 UTC, Great Sitkin, Shishaldin Daily Update

2026-02-26 01:13:01 UTC, Katmai Information Statement GREEN NORMAL

2026-02-25 18:15:48 UTC, Great Sitkin, Shishaldin Daily Update

2026-02-24 20:37:56 UTC, Great Sitkin, Shishaldin Daily Update

2026-02-23 20:58:06 UTC, Great Sitkin, Shishaldin, Semisopochnoi Daily Update

2026-02-22 19:38:08 UTC, Great Sitkin, Shishaldin Daily Update

2026-02-21 18:28:38 UTC, Great Sitkin, Shishaldin Daily Update

2026-02-20 21:24:21 UTC, Katmai Information Statement GREEN NORMAL

2026-02-20 20:37:50 UTC, Great Sitkin, Shishaldin Weekly Update

2026-02-19 18:51:18 UTC, Great Sitkin, Shishaldin Daily Update

2026-02-18 22:15:41 UTC, Great Sitkin, Shishaldin Daily Update

2026-02-18 20:48:22 UTC, Aniakchak Information Statement UNASSIGNED UNASSIGNED

2026-02-17 21:48:46 UTC, Great Sitkin, Shishaldin Daily Update

California Volcano Observatory

2026-03-17 17:49:11 UTC, Weekly Update

2026-03-10 16:50:07 UTC, Weekly Update

2026-03-03 18:54:07 UTC, Weekly Update

2026-02-24 19:11:16 UTC, Weekly Update

2026-02-17 18:35:08 UTC, Weekly Update

Cascades Volcano Observatory

2026-03-13 15:40:22 UTC, Cascade Range Weekly Update

2026-03-06 23:00:31 UTC, Cascade Range Weekly Update

2026-02-27 20:59:37 UTC, Cascade Range Weekly Update

2026-02-20 20:46:30 UTC, Cascade Range Weekly Update

Hawaiian Volcano Observatory

2026-03-19 01:15:20 UTC, Kilauea Volcano Observatory Notice for Aviation ORANGE WATCH

2026-03-19 01:15:20 UTC, Kilauea Volcano Activity Notification ORANGE WATCH

2026-03-18 19:14:36 UTC, Kilauea Daily Update

2026-03-17 18:02:53 UTC, Kilauea Daily Update

2026-03-16 17:53:19 UTC, Kilauea Daily Update

2026-03-15 20:02:16 UTC, Kilauea Daily Update

2026-03-14 20:37:48 UTC, Kilauea Daily Update

2026-03-13 20:08:19 UTC, Kilauea Daily Update

2026-03-13 03:45:46 UTC, Information Statement

2026-03-12 20:00:47 UTC, Kilauea Daily Update

2026-03-11 18:45:51 UTC, Kilauea Daily Update

2026-03-11 07:19:41 UTC, Kilauea Status Report ORANGE WATCH

2026-03-11 04:27:24 UTC, Kilauea Volcano Activity Notification ORANGE WATCH

2026-03-11 04:27:24 UTC, Kilauea Volcano Observatory Notice for Aviation ORANGE WATCH

2026-03-11 04:07:19 UTC, Kilauea Volcano Activity Notification ORANGE WATCH

2026-03-11 04:07:19 UTC, Kilauea Volcano Observatory Notice for Aviation ORANGE WATCH

2026-03-10 22:17:44 UTC, Kilauea Status Report RED WARNING

2026-03-10 20:54:24 UTC, Kilauea Volcano Observatory Notice for Aviation RED WARNING

2026-03-10 20:54:24 UTC, Kilauea Volcano Activity Notification RED WARNING

2026-03-10 19:36:10 UTC, Kilauea Volcano Activity Notification ORANGE WATCH

2026-03-10 19:36:10 UTC, Kilauea Volcano Observatory Notice for Aviation ORANGE WATCH

2026-03-10 19:20:14 UTC, Kilauea Daily Update

2026-03-09 18:34:55 UTC, Kilauea Daily Update

2026-03-08 18:28:54 UTC, Kilauea Daily Update

2026-03-07 18:29:43 UTC, Kilauea Daily Update

2026-03-06 18:55:17 UTC, Kilauea Daily Update

2026-03-05 20:05:06 UTC, Ofu-Olosega, Ta'u Island, Tutuila Island Monthly Update

2026-03-05 19:40:49 UTC, Mauna Loa, Hualalai, Haleakala, Mauna Kea, Kama'ehuakanaloa Monthly Update

2026-03-05 18:45:29 UTC, Kilauea Daily Update

2026-03-04 19:08:30 UTC, Kilauea Daily Update

2026-03-03 19:00:58 UTC, Kilauea Daily Update

2026-03-02 19:09:48 UTC, Kilauea Daily Update

2026-03-01 19:18:06 UTC, Kilauea Daily Update

2026-02-28 19:01:38 UTC, Kilauea Daily Update

2026-02-27 19:03:18 UTC, Kilauea Daily Update

2026-02-26 19:19:36 UTC, Kilauea Daily Update

2026-02-25 19:27:11 UTC, Kilauea Daily Update

2026-02-24 18:42:18 UTC, Kilauea Daily Update

2026-02-23 17:12:57 UTC, Kilauea Daily Update

2026-02-22 17:57:56 UTC, Kilauea Daily Update

2026-02-21 18:19:47 UTC, Kilauea Daily Update

2026-02-20 18:15:55 UTC, Kilauea Daily Update

2026-02-19 18:54:21 UTC, Kilauea Daily Update

2026-02-18 18:12:30 UTC, Kilauea Daily Update

2026-02-17 19:25:36 UTC, Kilauea Daily Update

Northern Mariana Islands

2026-03-13 00:35:48 UTC, Weekly Update

2026-03-05 23:47:39 UTC, Weekly Update

2026-02-27 00:36:05 UTC, Ahyi Seamount Weekly Update

2026-02-23 22:56:27 UTC, Ahyi Seamount Volcano Activity Notification UNASSIGNED UNASSIGNED

2026-02-23 22:56:27 UTC, Ahyi Seamount Volcano Observatory Notice for Aviation UNASSIGNED UNASSIGNED

2026-02-19 22:19:23 UTC, Ahyi Seamount Weekly Update

Yellowstone Volcano Observatory

2026-03-02 17:59:52 UTC, Yellowstone Monthly Update

Elevated Volcanoes

Alaska Volcano Observatory

Atka volcanic complex 2026-03-18 19:46:58 UTC YELLOW ADVISORY
Great Sitkin 2026-03-18 19:46:58 UTC ORANGE WATCH
Shishaldin 2026-03-18 19:46:58 UTC YELLOW ADVISORY

Hawaiian Volcano Observatory

Kilauea 2026-03-19 01:15:20 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
Atka volcanic complex 2026-03-18 19:46:58 UTC YELLOW ADVISORY
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 2026-03-09 19:18:33 UTC GREEN NORMAL
Gareloi 2024-03-05 20:50:34 UTC GREEN NORMAL
Great Sitkin 2026-03-18 19:46:58 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 2026-03-16 00:47:22 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 2020-12-16 00:59:56 UTC GREEN NORMAL
Martin 2023-01-11 23:08:56 UTC GREEN NORMAL
Novarupta 2022-03-18 23:33:23 UTC GREEN NORMAL
Okmok 2026-01-30 02:55:41 UTC GREEN NORMAL
Pavlof 2026-01-23 21:37:59 UTC GREEN NORMAL
Redoubt 2010-04-23 20:27:31 UTC GREEN NORMAL
Semisopochnoi 2026-02-27 20:55:44 UTC GREEN NORMAL
Shishaldin 2026-03-18 19:46:58 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 2026-03-09 19:18:33 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 2026-03-13 15:40:22 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 2026-03-05 19:40:49 UTC GREEN NORMAL
Hualalai 2026-03-05 19:40:49 UTC GREEN NORMAL
Kilauea 2026-03-19 01:15:20 UTC ORANGE WATCH
Mauna Kea 2026-03-05 19:40:49 UTC GREEN NORMAL
Mauna Loa 2026-03-05 19:40:49 UTC GREEN NORMAL
Ofu-Olosega 2026-03-05 20:05:06 UTC GREEN NORMAL
Ta'u Island 2026-03-05 20:05:06 UTC GREEN NORMAL
Tutuila Island 2026-03-05 20:05:06 UTC GREEN NORMAL

Yellowstone Volcano Observatory

Yellowstone 2026-03-02 17:59:52 UTC GREEN NORMAL