EarthquakeMajor

M6.1 earthquake - 286 km ESE of Attu Station, Alaska

Name: M6.1 earthquake - 286 km ESE of Attu Station, Alaska
Start: 1939-08-21T15:19:11.76+00:00
Location: 286 km ESE of Attu Station, Alaska

31833 d ago · 21 Aug 1939, 15:19 UTC 286 km ESE of Attu Station, Alaska

What happened

A magnitude 6.1 earthquake struck 286 km ESE of Attu Station, Alaska on 21 Aug 1939, 15:19 UTC at a depth of 35 km.

Earthquakes of this size are classed as Strong. Can cause damage in populated areas up to tens of kilometres away. This was a shallow earthquake, which tends to be felt more strongly at the surface.

Timeline

First reported by USGS
16 Oct 2026, 20:46 UTC

Community

Did you feel it?

Nearby in the last 30 days

2.5
M2.5 earthquake - Rat Islands, Aleutian Islands, Alaska
1 d ago56 km deep
Light
2.6
M2.6 earthquake - 294 km W of Adak, Alaska
2 d ago65 km deep
Light
3.9
M3.9 earthquake - 294 km ESE of Attu Station, Alaska
2 d ago8 km deep
Light
2.8
M2.8 earthquake - Rat Islands, Aleutian Islands, Alaska
4 d ago7 km deep
Light
3.4
M3.4 earthquake - Rat Islands, Aleutian Islands, Alaska
4 d ago27 km deep
Light
3.1
M3.1 earthquake - Rat Islands, Aleutian Islands, Alaska
4 d ago17 km deep
Light
4.6
M4.6 earthquake - 194 km SE of Attu Station, Alaska
4 d ago10 km deep
Moderate
3.2
M3.2 earthquake - Rat Islands, Aleutian Islands, Alaska
4 d ago13 km deep
Light
4.4
M4.4 earthquake - 275 km W of Adak, Alaska
5 d ago95 km deep
Moderate
4.6
M4.6 earthquake - Rat Islands, Aleutian Islands, Alaska
19 d ago43 km deep
Moderate