M4.9 earthquake 62 km SSE of Chignik, Alaska
A magnitude 4.9 earthquake struck 62 km SSE of Chignik, Alaska on Tue, Jan 21, 1975, 11:47 AM GMT-10 (21:47 UTC), 35 km (22 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.9 (mb), light
- Local time
- UTC
- 1975-01-21 21:47:49 UTC
- Depth
- 35.0 km (21.7 mi), shallow
- Epicenter
- 55.773° N, 158.013° 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
- 55
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.9 and up: 0 in the 60 days after this one and 0 in the 30 days before it.
None recorded.
Earthquakes todayAlaska earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp00009kf. Read Tue, Sep 22, 2026, 4:15 PM UTC.