Alaska earthquakes

M2.6 earthquake 225 km W of Adak, Alaska

A magnitude 2.6 earthquake struck 225 km W of Adak, Alaska on Wed, Jun 24, 2020, 8:45 AM HADT (17:45 UTC), 173 km (108 mi) below the surface.

A larger quake followed: M4.9 170 km WSW of Adak, Alaska. This one was a foreshock.

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

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The earthquake

Magnitude: 2.6 (ml), micro
Local time: Wed, Jun 24, 2020, 8:45 AM HADT
UTC: 2020-06-24 17:45:21 UTC
Depth: 173.3 km (107.7 mi), intermediate-depth
Epicenter: 51.977° N, 179.908° 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 13.9 km horizontally, 4.6 km in depth
Magnitude uncertainty: ±0.15
Depth from: From location
Station coverage gap: 181°, poorly surrounded by stations
Stations used: 17

Nearby

Within 100 km, magnitude 1.5 and up: 90 in the 60 days after this one and 39 in the 30 days before it.

After

The first 60 of 90.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000acz6 (also filed as ak02083cz52s). Read Wed, Sep 30, 2026, 2:35 AM UTC.