M4.4 earthquake 60 km SSW of False Pass, Alaska
A magnitude 4.4 earthquake struck 60 km SSW of False Pass, Alaska on Wed, Mar 21, 1979, 9:11 AM GMT-11 (20:11 UTC), 33 km (21 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
- 4.4 (mb), light
- Local time
- UTC
- 1979-03-21 20:11:33 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 54.371° N, 163.847° 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.
- Depth from
- OPERATOR_ASSIGNED
- Stations used
- 7
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 1 in the 30 days before it.
After
- 4.0133 km SSE of False Pass, Alaska · 17332 days ago · 17 km deep · 95 km away
- 4.778 km S of False Pass, Alaska · 17328 days ago · 55 km deep · 46 km away
Before
Earthquakes todayAlaska earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0000zjs. Read Tue, Sep 22, 2026, 9:15 PM UTC.