M3.9 earthquake 134 km E of Chignik, Alaska
A magnitude 3.9 earthquake struck 134 km E of Chignik, Alaska on Wed, Feb 26, 1975, 7:26 PM GMT-9 (04:26 UTC), 57 km (35 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 3.9 (mb), minor
- Local time
- UTC
- 1975-02-27 04:26:35 UTC
- Depth
- 57.0 km (35.4 mi), shallow
- Epicenter
- 56.394° N, 156.238° 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
- 18
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 0 in the 60 days after this one and 0 in the 30 days before it.
None recorded.
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0000a22. Read Tue, Sep 22, 2026, 3:12 PM UTC.