Alaska earthquakes

M4.4 earthquake 141 km WNW of Adak, Alaska

A magnitude 4.4 earthquake struck 141 km WNW of Adak, Alaska on Mon, May 20, 1996, 7:37 AM HADT (16:37 UTC), 142 km (88 mi) below the surface.

A larger quake followed: M7.9 77 km WSW of Adak, Alaska. This one was a foreshock.

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The earthquake

Magnitude: 4.4 (mb), light
Local time: Mon, May 20, 1996, 7:37 AM HADT
UTC: 1996-05-20 16:37:34 UTC
Depth: 141.8 km (88.1 mi), intermediate-depth
Epicenter: 52.181° N, 178.635° 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.

Nearby

Within 100 km, magnitude 1.5 and up: 57 in the 60 days after this one and 3 in the 30 days before it.

After

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp0007hm4 (also filed as ak9966hgivgk). Read Wed, Sep 30, 2026, 9:19 AM UTC.