| 2026-05-05 22:31:29 | Aniakchak | NORMAL | GREEN | 2026-05-05 22:31:29 | Alaska Volcano Observatory | Alaska Volcano Observatory: Aniakchak | Archived | USGS GUID | USGS Notice | Details |
| 2026-04-13 23:47:50 | Atka Volcanic Complex | NORMAL | GREEN | 2026-04-13 23:47:50 | Alaska Volcano Observatory | Alaska Volcano Observatory: Atka volcanic complex | Archived | USGS GUID | USGS Notice | Details |
| 2026-03-16 00:47:22 | Katmai | NORMAL | GREEN | 2026-03-16 00:47:22 | Alaska Volcano Observatory | Alaska Volcano Observatory: Katmai | Archived | USGS GUID | USGS Notice | Details |
| 2026-03-09 19:18:33 | Fisher | NORMAL | GREEN | 2026-03-09 19:18:33 | Alaska Volcano Observatory | Alaska Volcano Observatory: Fisher | Archived | USGS GUID | USGS Notice | Details |
| 2026-03-09 19:18:33 | Westdahl | NORMAL | GREEN | 2026-03-09 19:18:33 | Alaska Volcano Observatory | Alaska Volcano Observatory: Westdahl | Archived | USGS GUID | USGS Notice | Details |
| 2026-02-27 20:55:44 | Semisopochnoi | NORMAL | GREEN | 2026-02-27 20:55:44 | Alaska Volcano Observatory | Alaska Volcano Observatory: Semisopochnoi | Archived | USGS GUID | USGS Notice | Details |
| 2026-02-19 22:19:23 | Ahyi | ADVISORY | YELLOW | 2026-02-19 22:19:23 | Northern Mariana Islands | Northern Mariana Islands: Ahyi Seamount | Archived | USGS GUID | USGS Notice | Details |
| 2026-01-30 02:55:41 | Okmok | NORMAL | GREEN | 2026-01-30 02:55:41 | Alaska Volcano Observatory | Alaska Volcano Observatory: Okmok | Archived | USGS GUID | USGS Notice | Details |
| 2026-01-23 21:37:59 | Pavlof | NORMAL | GREEN | 2026-01-23 21:37:59 | Alaska Volcano Observatory | Alaska Volcano Observatory: Pavlof | Archived | USGS GUID | USGS Notice | Details |
| 2025-09-16 17:42:02 | St. Helens | NORMAL | GREEN | 2025-09-16 17:42:02 | Cascades Volcano Observatory | Cascades Volcano Observatory: Mount St. Helens | Archived | USGS GUID | USGS Notice | Details |
| 2025-08-25 22:38:40 | Rainier | NORMAL | GREEN | 2025-08-25 22:38:40 | Cascades Volcano Observatory | Cascades Volcano Observatory: Mount Rainier | Archived | USGS GUID | USGS Notice | Details |
| 2025-08-22 19:07:53 | Spurr | NORMAL | GREEN | 2025-08-22 19:07:53 | Alaska Volcano Observatory | Alaska Volcano Observatory: Spurr | Archived | USGS GUID | USGS Notice | Details |
| 2025-07-04 17:37:25 | Iliamna | NORMAL | GREEN | 2025-07-04 17:37:25 | Alaska Volcano Observatory | Alaska Volcano Observatory: Iliamna | Archived | USGS GUID | USGS Notice | Details |
| 2024-12-18 21:47:10 | Newberry | NORMAL | GREEN | 2024-12-18 21:47:10 | Cascades Volcano Observatory | Cascades Volcano Observatory: Newberry | Archived | USGS GUID | USGS Notice | Details |
| 2024-10-03 19:37:15 | Adams | NORMAL | GREEN | 2024-10-03 19:37:15 | Cascades Volcano Observatory | Cascades Volcano Observatory: Mount Adams | Archived | USGS GUID | USGS Notice | Details |
| 2024-10-01 18:04:56 | Wrangell | NORMAL | GREEN | 2024-10-01 18:04:56 | Alaska Volcano Observatory | Alaska Volcano Observatory: Wrangell | Archived | USGS GUID | USGS Notice | Details |
| 2024-07-08 21:06:48 | Cleveland | NORMAL | GREEN | 2024-07-08 21:06:48 | Alaska Volcano Observatory | Alaska Volcano Observatory: Cleveland | Archived | USGS GUID | USGS Notice | Details |
| 2024-03-05 20:50:34 | Gareloi | NORMAL | GREEN | 2024-03-05 20:50:34 | Alaska Volcano Observatory | Alaska Volcano Observatory: Gareloi | Archived | USGS GUID | USGS Notice | Details |
| 2024-02-27 20:55:59 | Kanaga | NORMAL | GREEN | 2024-02-27 20:55:59 | Alaska Volcano Observatory | Alaska Volcano Observatory: Kanaga | Archived | USGS GUID | USGS Notice | Details |
| 2024-02-09 19:57:42 | Edgecumbe | NORMAL | GREEN | 2024-02-09 19:57:42 | Alaska Volcano Observatory | Alaska Volcano Observatory: Edgecumbe | Archived | USGS GUID | USGS Notice | Details |
| 2024-01-29 23:13:47 | Takawangha | NORMAL | GREEN | 2024-01-29 23:13:47 | Alaska Volcano Observatory | Alaska Volcano Observatory: Takawangha | Archived | USGS GUID | USGS Notice | Details |
| 2024-01-29 23:13:47 | Tanaga | NORMAL | GREEN | 2024-01-29 23:13:47 | Alaska Volcano Observatory | Alaska Volcano Observatory: Tanaga | Archived | USGS GUID | USGS Notice | Details |
| 2024-01-10 20:04:36 | Trident | NORMAL | GREEN | 2024-01-10 20:04:36 | Alaska Volcano Observatory | Alaska Volcano Observatory: Trident | Archived | USGS GUID | USGS Notice | Details |
| 2023-01-11 23:08:56 | Mageik | NORMAL | GREEN | 2023-01-11 23:08:56 | Alaska Volcano Observatory | Alaska Volcano Observatory: Mageik | Archived | USGS GUID | USGS Notice | Details |
| 2023-01-11 23:08:56 | Martin | NORMAL | GREEN | 2023-01-11 23:08:56 | Alaska Volcano Observatory | Alaska Volcano Observatory: Martin | Archived | USGS GUID | USGS Notice | Details |
| 2022-10-19 23:05:08 | Ugashik-Peulik | NORMAL | GREEN | 2022-10-19 23:05:08 | Alaska Volcano Observatory | Alaska Volcano Observatory: Ugashik-Peulik | Archived | USGS GUID | USGS Notice | Details |
| 2022-10-19 23:05:08 | Ukinrek Maars | NORMAL | GREEN | 2022-10-19 23:05:08 | Alaska Volcano Observatory | Alaska Volcano Observatory: Ukinrek Maars | Archived | USGS GUID | USGS Notice | Details |
| 2022-07-14 22:40:33 | Little Sitkin | NORMAL | GREEN | 2022-07-14 22:40:33 | Alaska Volcano Observatory | Alaska Volcano Observatory: Little Sitkin | Archived | USGS GUID | USGS Notice | Details |
| 2022-03-18 23:33:23 | Griggs | NORMAL | GREEN | 2022-03-18 23:33:23 | Alaska Volcano Observatory | Alaska Volcano Observatory: Griggs | Archived | USGS GUID | USGS Notice | Details |
| 2022-03-18 23:33:23 | Novarupta | NORMAL | GREEN | 2022-03-18 23:33:23 | Alaska Volcano Observatory | Alaska Volcano Observatory: Novarupta | Archived | USGS GUID | USGS Notice | Details |
| 2022-03-18 23:33:23 | Snowy Mountain | NORMAL | GREEN | 2022-03-18 23:33:23 | Alaska Volcano Observatory | Alaska Volcano Observatory: Snowy Mountain | Archived | USGS GUID | USGS Notice | Details |
| 2022-01-31 20:45:17 | Three Sisters | NORMAL | GREEN | 2022-01-31 20:45:17 | Cascades Volcano Observatory | Cascades Volcano Observatory: Three Sisters | Archived | USGS GUID | USGS Notice | Details |
| 2021-07-09 21:30:29 | Veniaminof | NORMAL | GREEN | 2021-07-09 21:30:29 | Alaska Volcano Observatory | Alaska Volcano Observatory: Veniaminof | Archived | USGS GUID | USGS Notice | Details |
| 2021-06-06 04:38:06 | Hood | NORMAL | GREEN | 2021-06-06 04:38:06 | Cascades Volcano Observatory | Cascades Volcano Observatory: Mount Hood | Archived | USGS GUID | USGS Notice | Details |
| 2020-12-16 00:59:56 | Makushin | NORMAL | GREEN | 2020-12-16 00:59:56 | Alaska Volcano Observatory | Alaska Volcano Observatory: Makushin | Archived | USGS GUID | USGS Notice | Details |
| 2019-09-06 18:29:39 | Akutan | NORMAL | GREEN | 2019-09-06 18:29:39 | Alaska Volcano Observatory | Alaska Volcano Observatory: Akutan | Archived | USGS GUID | USGS Notice | Details |
| 2019-09-06 18:29:39 | Augustine | NORMAL | GREEN | 2019-09-06 18:29:39 | Alaska Volcano Observatory | Alaska Volcano Observatory: Augustine | Archived | USGS GUID | USGS Notice | Details |
| 2019-09-06 18:29:39 | Dutton | NORMAL | GREEN | 2019-09-06 18:29:39 | Alaska Volcano Observatory | Alaska Volcano Observatory: Dutton | Archived | USGS GUID | USGS Notice | Details |
| 2010-04-23 20:27:31 | Redoubt | NORMAL | GREEN | 2010-04-23 20:27:31 | Alaska Volcano Observatory | Alaska Volcano Observatory: Redoubt | Archived | USGS GUID | USGS Notice | Details |
| 2009-11-18 16:05:08 | Lassen Volcanic Center | NORMAL | GREEN | 2009-11-18 16:05:08 | California Volcano Observatory | California Volcano Observatory: Lassen Volcanic Center | Archived | USGS GUID | USGS Notice | Details |