M5.3 earthquake 69 km NW of Beaver, Alaska
A magnitude 5.3 earthquake struck 69 km NW of Beaver, Alaska on Mon, Dec 19, 1966, 2:26 PM GMT-10 (00:26 UTC), 10 km (6 mi) below the surface.
A larger quake followed: M5.3 63 km NW of Beaver, Alaska. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 5.3 (mw), moderate
- Local time
- UTC
- 1966-12-20 00:26:26 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 66.717° N, 148.671° 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.
- Magnitude uncertainty
- ±0.25
- Depth from
- From location
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 2.3 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 iscgem840804. Read Thu, Sep 24, 2026, 3:13 AM UTC.