M4.8 earthquake 84 km SSW of Sand Point, Alaska
A magnitude 4.8 earthquake struck 84 km SSW of Sand Point, Alaska on Fri, Sep 21, 1979, 9:04 AM GMT-9 (18:04 UTC), 39 km (24 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
- 1979-09-21 18:04:41 UTC
- Depth
- 39.0 km (24.2 mi), shallow
- Epicenter
- 54.646° N, 161.028° 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
- 59
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.8 and up: 0 in the 60 days after this one and 1 in the 30 days before it.
Before
Earthquakes todayAlaska earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp000131s. Read Tue, Sep 22, 2026, 11:15 AM UTC.