M4.9 earthquake 292 km SE of Attu Station, Alaska
A magnitude 4.9 earthquake struck 292 km SE of Attu Station, Alaska on Mon, Feb 2, 1981, 6:29 AM GMT+12 (18:29 UTC), 36 km (22 mi) below the surface.
A larger quake followed: M5.4 Rat Islands, Aleutian Islands, Alaska. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.9 (mb), light
- Local time
- UTC
- 1981-02-01 18:29:47 UTC
- Depth
- 35.7 km (22.2 mi), shallow
- Epicenter
- 51.347° N, 176.693° 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.
Nearby
Within 100 km, magnitude 1.9 and up: 7 in the 60 days after this one and 10 in the 30 days before it.
After
- 5.4Rat Islands, Aleutian Islands, Alaska · 16666 days ago · 33 km deep · 5 km away
- 4.4280 km SE of Attu Station, Alaska · 16666 days ago · 33 km deep · 12 km away
- 5.1245 km ESE of Attu Station, Alaska · 16643 days ago · 49 km deep · 56 km away
- 4.4251 km ESE of Attu Station, Alaska · 16616 days ago · 59 km deep · 48 km away
- 5.1218 km SE of Attu Station, Alaska · 16613 days ago · 33 km deep · 87 km away
- 4.6210 km SE of Attu Station, Alaska · 16613 days ago · 39 km deep · 95 km away
- 4.8212 km SE of Attu Station, Alaska · 16613 days ago · 29 km deep · 95 km away
Before
- 5.6297 km SE of Attu Station, Alaska · 16669 days ago · 23 km deep · 6 km away
- 4.6238 km SE of Attu Station, Alaska · 16670 days ago · 25 km deep · 63 km away
- 4.1239 km SE of Attu Station, Alaska · 16671 days ago · 33 km deep · 53 km away
- 4.6260 km SE of Attu Station, Alaska · 16671 days ago · 26 km deep · 36 km away
- 4.7262 km SE of Attu Station, Alaska · 16671 days ago · 33 km deep · 49 km away
- 5.6243 km SE of Attu Station, Alaska · 16671 days ago · 19 km deep · 50 km away
- 4.6Rat Islands, Aleutian Islands, Alaska · 16671 days ago · 33 km deep · 62 km away
- 4.2246 km SE of Attu Station, Alaska · 16671 days ago · 33 km deep · 63 km away
- 5.4231 km SE of Attu Station, Alaska · 16671 days ago · 21 km deep · 60 km away
- 7.0243 km ESE of Attu Station, Alaska · 16671 days ago · 33 km deep · 53 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0001c0m. Read Tue, Sep 22, 2026, 8:54 AM UTC.