M2.1 earthquake 13 km WSW of Point MacKenzie, Alaska
A magnitude 2.1 earthquake struck 13 km WSW of Point MacKenzie, Alaska on Fri, Dec 18, 1981, 4:20 AM GMT-10 (14:20 UTC), 33 km (21 mi) below the surface.
A larger quake followed: M2.7 11 km WNW of Sutton-Alpine, Alaska. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 2.1 (ml), micro
- Local time
- UTC
- 1981-12-18 14:20:45 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 61.291° N, 150.197° 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 1.5 and up: 1 in the 60 days after this one and 0 in the 30 days before it.
After
Earthquakes todayAlaska earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0001hfv. Read Tue, Sep 22, 2026, 2:47 PM UTC.