M6.3 earthquake - 102 km SSW of False Pass, Alaska
31834 d ago · 20 Aug 1939, 07:17 UTC 102 km SSW of False Pass, Alaska
What happened
A magnitude 6.3 earthquake struck 102 km SSW of False Pass, Alaska on 20 Aug 1939, 07:17 UTC at a depth of 75 km.
Earthquakes of this size are classed as Strong. Can cause damage in populated areas up to tens of kilometres away. This was an intermediate-depth earthquake, so shaking is spread over a wider, gentler area.
Timeline
First reported by USGS
16 Oct 2026, 20:46 UTC
Community
Did you feel it?
Nearby in the last 30 days
- 0.3
M0.3 earthquake - 8 km W of Dutch Harbor, Alaska
7 km deep
Minor - 3.1
M3.1 earthquake - 95 km SSE of Akutan, Alaska
19 km deep
Light - 0.3
M0.3 earthquake - 11 km WNW of Dutch Harbor, Alaska
5 km deep
Minor - 2.5
M2.5 earthquake - 60 km SSW of False Pass, Alaska
79 km deep
Light - 3.0
M3.0 earthquake - 98 km SSE of King Cove, Alaska
3 km deep
Light - 2.6
M2.6 earthquake - 87 km SE of False Pass, Alaska
14 km deep
Light - 3.1
M3.1 earthquake - 187 km SE of Akutan, Alaska
19 km deep
Light - 4.8
M4.8 earthquake - 127 km S of False Pass, Alaska
35 km deep
Moderate - 5.0
M5.0 earthquake - 246 km SSE of False Pass, Alaska
16 km deep
Strong