M6.3 earthquake 76 km WNW of Attu Station, Alaska
A magnitude 6.3 earthquake struck 76 km WNW of Attu Station, Alaska on Sat, Jan 31, 1925, 4:28 AM GMT+11 (17:28 UTC), 28 km (17 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 6.3 (mw), strong
- Local time
- UTC
- 1925-01-30 17:28:28 UTC
- Depth
- 28.0 km (17.4 mi), shallow
- Epicenter
- 53.173° N, 172.188° E
- Region
- Alaska
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Did you feel it?
No one has reported feeling this quake to the USGS.
How well it is located
Reviewed by a seismologist.
- Magnitude uncertainty
- ±0.34
- Depth from
- From location
Nearby
Within 100 km, magnitude 2.5 and up: 0 in the 60 days after this one and 0 in the 30 days before it.
None recorded.
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event iscgem910345. Read Tue, Sep 22, 2026, 9:36 AM UTC.