M4.8 earthquake 123 km SSW of False Pass, Alaska
A magnitude 4.8 earthquake struck 123 km SSW of False Pass, Alaska on Sun, Dec 8, 1985, 6:39 AM AKST (15:39 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
- 1985-12-08 15:39:10 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 53.794° N, 163.973° 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
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 usp0002np8. Read Mon, Sep 21, 2026, 6:23 AM UTC.