A strong and shallow earthquake registered by the USGS as M6.4 hit near the Rat Islands, Aleutian Islands, Alaska at 17:54 UTC on March 4, 2026. The agency is reporting a depth of 10 km (6.2 miles). EMSC is reporting the same magnitude and depth. According to the National Tsunami Warning Center (NTWC), there is no tsunami danger from this event.
A strong M7.0 oblique-slip earthquake struck beneath the Hubbard Glacier in the St. Elias Mountains, about 89 km (55 miles) north of Yakutat, Alaska, at 11:40 AKST (20:40 UTC) on December 6, 2025. The quake triggered widespread ground failures, with over 700 landslides and snow avalanches identified across Alaska and Canada. The largest and most concentrated slope failures occurred within a 16 km (10 miles) wide band along the estimated fault rupture.
A strong and shallow earthquake registered by the USGS as M7.0 struck near Yakutat, Alaska, at 20:41 UTC on December 6, 2025. The agency is reporting a depth of 10 km (6.2 miles). EMSC is reporting M6.8 at a depth of 10 km. According to the National Tsunami Warning Center (NTWC), there is no tsunami danger from this earthquake.
A strong earthquake registered by the USGS as M6.0 struck southern Alaska at 17:11 UTC on November 27, 2025. The agency is reporting a depth of 69.4 km (43.1 miles). EMSC is reporting M6.0 at a depth of 83 km (51.5 miles). According to the National Tsunami Warning Center (NTWC), a tsunami is not expected.
A shallow earthquake registered by the USGS as M6.0 hit Fox Islands, Aleutian Islands, Alaska at 20:57 UTC on September 3, 2025. The agency is reporting a depth of 10 km (6.2 miles).
A strong earthquake registered by the USGS as M6.2 hit south of Sand Point, Alaska at 22:28 UTC on July 20, 2025. The agency is reporting a depth of 47.3 km (29 miles). EMSC is reporting the same magnitude and depth. The quake hit four days after powerful M7.3 struck the same region, triggering a Tsunami Warning.
A very strong earthquake registered by the USGS as M7.3 hit Alaska Peninsula at 20:37 UTC on July 16, 2025. The agency is reporting a depth of 20 km (12.4 miles). EMSC is reporting the same magnitude and depth.
A strong and shallow earthquake registered by the USGS as M6.2 hit near Adak, Andreanof Islands, Aleutian Islands, Alaska at 14:53 UTC on March 21, 2025. The agency is reporting a depth of 26 km (16 miles). EMSC is reporting M6.2 at a depth of 30 km (18 miles).
An earthquake swarm has been occurring southwest of Adak Islands, Alaska, since December 8, 2024, beginning with M6.3 at a depth of 18 km (11 miles). The swarm includes multiple significant earthquakes, including two M6.3 events, an M6.1, and numerous aftershocks up to M5.8.
A strong earthquake registered by the USGS as M6.3 hit Andreanof Islands, Alaska at 19:57 UTC on December 8, 2024. The agency is reporting a depth of 18 km (11 miles). EMSC is reporting the same magnitude and depth.
