M4.2 earthquake 45 km SW of Nanwalek, Alaska
A magnitude 4.2 earthquake struck 45 km SW of Nanwalek, Alaska on Thu, Feb 4, 1982, 1:15 AM GMT-10 (11:15 UTC), 72 km (45 mi) below the surface.
A larger quake followed: M4.4 63 km E of Pedro Bay, Alaska. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.2 (mb), light
- Local time
- UTC
- 1982-02-04 11:15:59 UTC
- Depth
- 71.8 km (44.6 mi), intermediate-depth
- Epicenter
- 59.076° N, 152.509° 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 1.5 and up: 3 in the 60 days after this one and 2 in the 30 days before it.
After
- 3.952 km W of Anchor Point, Alaska · 16285 days ago · 114 km deep · 81 km away
- 4.463 km E of Pedro Bay, Alaska · 16277 days ago · 91 km deep · 84 km away
- 3.989 km SSE of Port Graham, Alaska · 16245 days ago · 33 km deep · 98 km away
Before
Earthquakes todayAlaska earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0001jfv. Read Tue, Sep 22, 2026, 5:41 AM UTC.