M4.0 earthquake 133 km SSE of False Pass, Alaska
A magnitude 4.0 earthquake struck 133 km SSE of False Pass, Alaska on Tue, Apr 10, 1979, 10:41 AM GMT-11 (21:41 UTC), 17 km (11 mi) below the surface.
A larger quake followed: M4.7 78 km S of False Pass, Alaska. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.0 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 1979-04-10 21:41:04 UTC
- Depth
- 17.0 km (10.6 mi), shallow
- Epicenter
- 53.678° N, 162.997° 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
- 16
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 1 in the 60 days after this one and 2 in the 30 days before it.
After
Before
Earthquakes todayAlaska earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0000zxu. Read Mon, Oct 5, 2026, 8:10 AM UTC.