Alaska earthquakes

M2.5 earthquake 135 km SW of Adak, Alaska

A magnitude 2.5 earthquake struck 135 km SW of Adak, Alaska on Fri, Sep 11, 2026, 2:11 AM HADT (11:11 UTC), 24 km (15 mi) below the surface.

A larger quake followed: M2.8 214 km WSW of Adak, Alaska. This one was a foreshock.

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The earthquake

Magnitude
2.5 (ml), micro
Local time
UTC
2026-09-11 11:11:32 UTC
Depth
24.0 km (14.9 mi), shallow
Epicenter
51.194° N, 178.258° 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. If you felt it, tell the USGS: every report sharpens the shaking map.

How well it is located

Reviewed by a seismologist.

Location uncertainty
About 9.7 km horizontally, 6.0 km in depth
Magnitude uncertainty
±0.10
Station coverage gap
256°, poorly surrounded by stations
Stations used
18

Nearby

Within 100 km, magnitude 1.5 and up: 48 since this one and 114 in the 30 days before it.

After

Before

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event aka2026sadydv. Read Tue, Sep 22, 2026, 8:52 PM UTC.