M4.8 earthquake 135 km S of False Pass, Alaska
A magnitude 4.8 earthquake struck 135 km S of False Pass, Alaska on Tue, Feb 27, 1979, 12:58 PM GMT-11 (23:58 UTC), 33 km (21 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.8 (mb), light
- Local time
- UTC
- 1979-02-27 23:58:44 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 53.641° N, 163.609° 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
- 52
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.8 and up: 4 in the 60 days after this one and 1 in the 30 days before it.
After
- 4.460 km SSW of False Pass, Alaska · 17352 days ago · 33 km deep · 83 km away
- 4.5153 km S of False Pass, Alaska · 17351 days ago · 33 km deep · 19 km away
- 4.0133 km SSE of False Pass, Alaska · 17332 days ago · 17 km deep · 41 km away
- 4.778 km S of False Pass, Alaska · 17328 days ago · 55 km deep · 62 km away
Before
Earthquakes todayAlaska earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0000z1u. Read Tue, Sep 22, 2026, 8:26 PM UTC.