M5.1 earthquake 83 km ESE of Chiniak, Alaska
A magnitude 5.1 earthquake struck 83 km ESE of Chiniak, Alaska on Sun, Aug 31, 1975, 3:02 AM GMT-9 (12:02 UTC), 12 km (7 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 5.1 (mb), moderate
- Local time
- UTC
- 1975-08-31 12:02:10 UTC
- Depth
- 12.0 km (7.5 mi), shallow
- Epicenter
- 57.254° N, 151.063° 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.
- Stations used
- 114
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 2.1 and up: 0 in the 60 days after this one and 2 in the 30 days before it.
Before
Earthquakes todayAlaska earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0000cnn. Read Tue, Sep 22, 2026, 4:39 AM UTC.