M4.7 earthquake 87 km SE of False Pass, Alaska
A magnitude 4.7 earthquake struck 87 km SE of False Pass, Alaska on Wed, Dec 27, 1978, 8:50 AM GMT-11 (19:50 UTC), 37 km (23 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.7 (mb), light
- Local time
- UTC
- 1978-12-27 19:50:33 UTC
- Depth
- 37.0 km (23.0 mi), shallow
- Epicenter
- 54.234° N, 162.569° 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
- 47
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 usp0000y57. Read Tue, Sep 22, 2026, 4:28 AM UTC.