Alaska earthquakes

M2.2 earthquake 163 km SW of Adak, Alaska

A magnitude 2.2 earthquake struck 163 km SW of Adak, Alaska on Wed, Aug 19, 2026, 11:49 PM HADT (08:49 UTC), 8 km (5 mi) below the surface.

A larger quake followed: M5.3 151 km WSW of Adak, Alaska. This one was a foreshock.

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The earthquake

Magnitude
2.2 (ML, local (Richter)), micro
Magnitude from
Alaska Earthquake Center
Local time
UTC
2026-08-20 08:49:05 UTC
Depth
7.5 km (4.7 mi), shallow
Epicenter
50.982° N, 178.501° 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 6.8 km horizontally, 3.0 km in depth
Magnitude uncertainty
±0.10
Station coverage gap
230°, poorly surrounded by stations
Stations used
21

Nearby

Within 100 km, magnitude 1.5 and up: 156 since this one and 101 in the 30 days before it.

After

The first 60 of 156.

Before

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event aka2026qlisbc. Read Thu, Oct 1, 2026, 4:28 AM UTC.