M4.5 earthquake 43 km ESE of Chignik, Alaska
A magnitude 4.5 earthquake struck 43 km ESE of Chignik, Alaska on Mon, Dec 15, 1975, 12:54 PM GMT-10 (22:54 UTC), 77 km (48 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.5 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 1975-12-15 22:54:48 UTC
- Depth
- 77.0 km (47.8 mi), intermediate-depth
- Epicenter
- 56.196° N, 157.725° 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
- 24
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.
Earthquakes todayAlaska earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0000dxj. Read Thu, Oct 1, 2026, 1:21 PM UTC.