Alaska earthquakes

M5.0 earthquake 256 km SE of Attu Station, Alaska

A magnitude 5.0 earthquake struck 256 km SE of Attu Station, Alaska on Fri, Apr 30, 1982, 5:45 PM GMT+12 (05:45 UTC), 70 km (43 mi) below the surface.

More in Alaska

Map

Where this earthquake was located, with the others nearby. Select one for its page.

Open the live map with earthquakes

The earthquake

Magnitude
5.0 (mb), moderate
Local time
UTC
1982-04-30 05:45:02 UTC
Depth
70.0 km (43.5 mi), intermediate-depth
Epicenter
51.604° N, 176.342° E
Region
Alaska
Tsunami flag
No
Status
Reviewed by a seismologist

Did you feel it?

No one has reported feeling this quake to the USGS.

Nearby

Within 100 km, magnitude 2.0 and up: 2 in the 60 days after this one and 0 in the 30 days before it.

After

  1. 4.7244 km SE of Attu Station, Alaska · 16208 days ago · 33 km deep · 12 km away
  2. 4.4243 km SE of Attu Station, Alaska · 16208 days ago · 33 km deep · 13 km away

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp0001m0p. Read Tue, Sep 22, 2026, 9:23 AM UTC.