M4.7 earthquake 123 km S of Cordova, Alaska
A magnitude 4.7 earthquake struck 123 km S of Cordova, Alaska on Thu, Feb 16, 1978, 4:52 AM GMT-10 (14:52 UTC), 52 km (32 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.7 (ms), light
- Local time
- UTC
- 1978-02-16 14:52:42 UTC
- Depth
- 52.0 km (32.3 mi), shallow
- Epicenter
- 59.435° N, 145.629° 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
- 14
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.7 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 usp0000t02. Read Tue, Sep 22, 2026, 5:15 PM UTC.