M4.7 earthquake 80 km SSW of Nikolski, Alaska
A magnitude 4.7 earthquake struck 80 km SSW of Nikolski, Alaska on Mon, Jul 13, 1981, 4:27 PM GMT-9 (01:27 UTC), 28 km (17 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
- 4.7 (mb), light
- Local time
- UTC
- 1981-07-14 01:27:36 UTC
- Depth
- 27.6 km (17.1 mi), shallow
- Epicenter
- 52.303° N, 169.415° 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.
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.7 and up: 2 in the 60 days after this one and 2 in the 30 days before it.
After
- 4.462 km SE of Nikolski, Alaska · 16487 days ago · 33 km deep · 93 km away
- 5.163 km SSW of Nikolski, Alaska · 16461 days ago · 39 km deep · 16 km away
Before
Earthquakes todayAlaska earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0001epd. Read Tue, Sep 22, 2026, 4:25 PM UTC.