Alaska earthquakes

M1.5 earthquake 90 km SSE of Atka, Alaska

A magnitude 1.5 earthquake struck 90 km SSE of Atka, Alaska on Wed, Jul 14, 2021, 6:52 PM HADT (03:52 UTC), 19 km (12 mi) below the surface.

A larger quake followed: M4.7 67 km ESE of Atka, Alaska. This one was a foreshock.

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The earthquake

Magnitude
1.5 (ml), micro
Local time
UTC
2021-07-15 03:52:36 UTC
Depth
18.9 km (11.7 mi), shallow
Epicenter
51.470° N, 173.593° 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
14

Nearby

Within 100 km, magnitude 1.5 and up: 127 in the 60 days after this one and 29 in the 30 days before it.

After

The first 60 of 127.

Before

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak021907fjmp. Read Sat, Sep 26, 2026, 3:17 PM UTC.