Alaska earthquakes

M2.5 earthquake 108 km SSW of Unalaska, Alaska

A magnitude 2.5 earthquake struck 108 km SSW of Unalaska, Alaska on Sat, Jul 18, 2026, 3:37 AM AKDT (11:37 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M4.0 92 km SSW of Unalaska, Alaska. This one was a foreshock.

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Map

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

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The earthquake

Magnitude
2.5 (ml), micro
Local time
UTC
2026-07-18 11:37:28 UTC
Depth
9.8 km (6.1 mi), shallow
Epicenter
52.964° N, 167.126° 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 8.3 km horizontally, 4.0 km in depth
Magnitude uncertainty
±0.10
Station coverage gap
272°, poorly surrounded by stations
Stations used
17

Nearest places

Distance and direction from each place to the epicenter, with its forecast.

Nearby

Within 100 km, magnitude 1.5 and up: 138 in the 60 days after this one and 78 in the 30 days before it.

After

The first 60 of 138.

Before

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event aka2026ocppgp. Read Tue, Sep 29, 2026, 8:07 AM UTC.