Alaska earthquakes

M2.8 earthquake 193 km W of Adak, Alaska

A magnitude 2.8 earthquake struck 193 km W of Adak, Alaska on Fri, Jul 15, 2022, 7:29 AM HADT (16:29 UTC), 175 km (109 mi) below the surface.

A larger quake followed: M4.4 235 km W of Adak, Alaska. This one was a foreshock.

Map

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

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The earthquake

Magnitude: 2.8 (ml), micro
Local time: Fri, Jul 15, 2022, 7:29 AM HADT
UTC: 2022-07-15 16:29:13 UTC
Depth: 174.8 km (108.6 mi), intermediate-depth
Epicenter: 52.203° N, 179.403° 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 8.2 km horizontally, 7.7 km in depth
Magnitude uncertainty: ±0.10
Depth from: From location
Station coverage gap: 188°, poorly surrounded by stations
Stations used: 16

Nearby

Within 100 km, magnitude 1.5 and up: 119 in the 60 days after this one and 46 in the 30 days before it.

After

The first 60 of 119.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000i4ds (also filed as ak02290f16r9). Read Wed, Sep 30, 2026, 4:08 AM UTC.