M4.6 earthquake 27 km W of Anchor Point, Alaska
A magnitude 4.6 earthquake struck 27 km W of Anchor Point, Alaska on Mon, Dec 30, 1985, 5:05 PM AKST (02:05 UTC), 38 km (24 mi) below the surface.
A larger quake followed: M4.7 76 km ENE of Port Alsworth, Alaska. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.6 (mb), light
- Local time
- UTC
- 1985-12-31 02:05:02 UTC
- Depth
- 38.3 km (23.8 mi), shallow
- Epicenter
- 59.780° N, 152.313° 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.
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.6 and up: 2 in the 60 days after this one and 1 in the 30 days before it.
After
- 4.356 km W of Anchor Point, Alaska · 14866 days ago · 76 km deep · 29 km away
- 4.776 km ENE of Port Alsworth, Alaska · 14816 days ago · 125 km deep · 73 km away
Before
Earthquakes todayAlaska earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0002pm8. Read Tue, Sep 22, 2026, 8:18 AM UTC.