M4.5 earthquake 38 km SSE of Chiniak, Alaska
A magnitude 4.5 earthquake struck 38 km SSE of Chiniak, Alaska on Sun, Nov 6, 1977, 7:32 PM GMT-10 (05:32 UTC), 45 km (28 mi) below the surface.
A larger quake followed: M4.7 73 km SSE of Old Harbor, Alaska. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.5 (mb), light
- Local time
- UTC
- 1977-11-07 05:32:44 UTC
- Depth
- 45.0 km (28.0 mi), shallow
- Epicenter
- 57.319° N, 151.934° 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
- 12
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 2 in the 60 days after this one and 0 in the 30 days before it.
After
Earthquakes todayAlaska earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0000rdh. Read Tue, Sep 22, 2026, 7:04 AM UTC.