M4.4 earthquake 86 km SW of Atka, Alaska
A magnitude 4.4 earthquake struck 86 km SW of Atka, Alaska on Sat, Mar 21, 1981, 11:41 PM GMT-11 (10:41 UTC), 42 km (26 mi) below the surface.
A larger quake followed: M5.0 115 km SSW of Atka, Alaska. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.4 (mb), light
- Local time
- UTC
- 1981-03-22 10:41:45 UTC
- Depth
- 42.1 km (26.2 mi), shallow
- Epicenter
- 51.681° N, 175.151° W
- Region
- Alaska
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Did you feel it?
No one has reported feeling this quake to the USGS.
Nearby
Within 100 km, magnitude 1.5 and up: 9 in the 60 days after this one and 0 in the 30 days before it.
After
- 5.0115 km SSW of Atka, Alaska · 16563 days ago · 37 km deep · 43 km away
- 4.395 km SW of Atka, Alaska · 16563 days ago · 33 km deep · 10 km away
- 4.3149 km SSW of Atka, Alaska · 16563 days ago · 51 km deep · 82 km away
- 4.783 km SW of Atka, Alaska · 16563 days ago · 44 km deep · 8 km away
- 3.9115 km SSW of Atka, Alaska · 16563 days ago · 33 km deep · 60 km away
- 4.371 km SW of Atka, Alaska · 16563 days ago · 52 km deep · 15 km away
- 4.587 km SW of Atka, Alaska · 16563 days ago · 47 km deep · 10 km away
- 4.696 km SW of Atka, Alaska · 16563 days ago · 48 km deep · 23 km away
- 4.494 km SW of Atka, Alaska · 16562 days ago · 43 km deep · 23 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0001cu0. Read Tue, Sep 22, 2026, 8:42 AM UTC.