M4.4 earthquake 62 km SE of Nikolski, Alaska
A magnitude 4.4 earthquake struck 62 km SE of Nikolski, Alaska on Sat, Aug 1, 1981, 9:40 PM GMT-9 (06:40 UTC), 33 km (21 mi) below the surface.
A larger quake followed: M5.1 63 km SSW of Nikolski, 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
- 1981-08-02 06:40:25 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 52.600° N, 168.130° 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 2 in the 30 days before it.
After
Before
Earthquakes todayAlaska earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0001f2j. Read Wed, Sep 30, 2026, 4:19 PM UTC.