Alaska earthquakes

M3.8 earthquake 195 km WNW of Adak, Alaska

A magnitude 3.8 earthquake struck 195 km WNW of Adak, Alaska on Thu, May 19, 2022, 9:03 AM HADT (18:03 UTC), 211 km (131 mi) below the surface.

A larger quake followed: M4.4 258 km W of Adak, Alaska. This one was a foreshock.

Map

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The earthquake

Magnitude: 3.8 (mb), minor
Local time: Thu, May 19, 2022, 9:03 AM HADT
UTC: 2022-05-19 18:03:51 UTC
Depth: 210.6 km (130.8 mi), intermediate-depth
Epicenter: 52.374° N, 179.366° 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.

Location uncertainty: About 9.2 km horizontally, 6.9 km in depth
Magnitude uncertainty: ±0.07
Depth from: From location
Station coverage gap: 70°
Stations used: 82

Nearby

Within 100 km, magnitude 1.5 and up: 55 in the 60 days after this one and 39 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 us6000hmfg (also filed as ak0226e6fsn9). Read Tue, Sep 29, 2026, 10:33 AM UTC.