M3.5 earthquake 7 km WNW of Ambler, Alaska
A magnitude 3.5 earthquake struck 7 km WNW of Ambler, Alaska on Sun, Feb 21, 1982, 5:17 AM GMT-10 (15:17 UTC), 33 km (21 mi) below the surface.
A larger quake followed: M3.7 59 km SSW of Shungnak, Alaska. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 3.5 (ML, local (Richter)), minor
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 1982-02-21 15:17:14 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 67.105° N, 158.026° 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 usp0001jrr. Read Thu, Oct 1, 2026, 11:53 AM UTC.