M3.9 earthquake 50 km N of Valdez, Alaska
A magnitude 3.9 earthquake struck 50 km N of Valdez, Alaska on Tue, Dec 28, 1982, 9:40 AM GMT-10 (19:40 UTC), 53 km (33 mi) below the surface.
A larger quake followed: M5.3 49 km WNW of Valdez, Alaska. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 3.9 (mb), minor
- Local time
- UTC
- 1982-12-28 19:40:02 UTC
- Depth
- 53.2 km (33.1 mi), shallow
- Epicenter
- 61.579° N, 146.397° 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
- FROM_LOCATION
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 3 in the 60 days after this one and 1 in the 30 days before it.
After
- 5.349 km WNW of Valdez, Alaska · 15970 days ago · 55 km deep · 49 km away
- 3.634 km NNW of Valdez, Alaska · 15956 days ago · 33 km deep · 17 km away
- 3.011 km NNW of Eureka Roadhouse, Alaska · 15954 days ago · 33 km deep · 67 km away
Before
Earthquakes todayAlaska earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0001ruc. Read Tue, Sep 22, 2026, 11:12 AM UTC.