Alaska earthquakes

M4.7 earthquake 43 km SSW of Adak, Alaska

A magnitude 4.7 earthquake struck 43 km SSW of Adak, Alaska on Thu, May 5, 2022, 1:58 PM HADT (22:58 UTC), 47 km (29 mi) below the surface.

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The earthquake

Magnitude: 4.7 (mb), light
Local time: Thu, May 5, 2022, 1:58 PM HADT
UTC: 2022-05-05 22:58:42 UTC
Depth: 47.1 km (29.2 mi), shallow
Epicenter: 51.498° N, 176.801° W
Region: Alaska
Felt reports: 1
Tsunami flag: No
Status: Reviewed by a seismologist

Did you feel it?

1 person reported to the USGS what they felt; the strongest reported shaking was III, weak shaking.

How well it is located

Reviewed by a seismologist.

Location uncertainty: About 5.0 km horizontally, 4.8 km in depth
Magnitude uncertainty: ±0.03
Depth from: From location
Station coverage gap: 129°
Stations used: 103

Nearby

Within 100 km, magnitude 1.7 and up: 123 in the 60 days after this one and 69 in the 30 days before it.

After

The first 60 of 123.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000h7ec (also filed as ak0225r3mfq2). Read Tue, Sep 29, 2026, 6:55 PM UTC.