M4.4 earthquake 88 km SSE of Old Harbor, Alaska
A magnitude 4.4 earthquake struck 88 km SSE of Old Harbor, Alaska on Thu, Apr 23, 1981, 1:20 PM GMT-10 (23:20 UTC), 33 km (21 mi) below the surface.
A larger quake followed: M4.6 54 km SE of Old Harbor, 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
- 1981-04-23 23:20:26 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 56.472° N, 152.724° 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.
How well it is located
Reviewed by a seismologist.
- Depth from
- OPERATOR_ASSIGNED
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 1 in the 60 days after this one and 0 in the 30 days before it.
After
Earthquakes todayAlaska earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0001daj. Read Mon, Sep 28, 2026, 1:13 PM UTC.