M4.5 earthquake 195 km SW of Attu Station, Alaska
A magnitude 4.5 earthquake struck 195 km SW of Attu Station, Alaska on Mon, Aug 26, 1985, 9:37 AM GMT+11 (22:37 UTC), 33 km (21 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.5 (mb), light
- Local time
- UTC
- 1985-08-25 22:37:04 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 51.524° N, 171.310° 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.
- Depth from
- OPERATOR_ASSIGNED
Nearby
Within 100 km, magnitude 1.5 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 usp0002j57. Read Tue, Sep 22, 2026, 10:32 PM UTC.