Alaska earthquakes

M1.8 earthquake 44 km SSE of Adak, Alaska

A magnitude 1.8 earthquake struck 44 km SSE of Adak, Alaska on Sat, Sep 26, 2020, 2:49 PM HADT (23:49 UTC), 31 km (19 mi) below the surface.

A larger quake followed: M4.3 68 km SSE of Adak, Alaska. This one was a foreshock.

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The earthquake

Magnitude
1.8 (ML, local (Richter)), micro
Magnitude from
Alaska Earthquake Center
Local time
UTC
2020-09-26 23:49:27 UTC
Depth
30.6 km (19.0 mi), shallow
Epicenter
51.515° N, 176.356° 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.

Stations used
27

Nearby

Within 100 km, magnitude 1.5 and up: 124 in the 60 days after this one and 86 in the 30 days before it.

After

The first 60 of 124.

Before

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak020cex38ex. Read Fri, Oct 2, 2026, 9:37 AM UTC.