Alaska earthquakes

M2.9 earthquake 102 km ESE of Adak, Alaska

A magnitude 2.9 earthquake struck 102 km ESE of Adak, Alaska on Sat, Jun 6, 2020, 12:31 PM HADT (21:31 UTC), 35 km (22 mi) below the surface.

A larger quake followed: M4.1 19 km SSE of Atka, Alaska. This one was a foreshock.

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The earthquake

Magnitude
2.9 (ml), micro
Local time
UTC
2020-06-06 21:31:55 UTC
Depth
35.0 km (21.7 mi), shallow
Epicenter
51.542° N, 175.252° 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 3.4 km horizontally, 2.0 km in depth
Magnitude uncertainty
±0.13
Depth from
Operator assigned
Station coverage gap
234°, poorly surrounded by stations
Stations used
22

Nearby

Within 100 km, magnitude 1.5 and up: 155 in the 60 days after this one and 69 in the 30 days before it.

After

The first 60 of 155.

Before

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000aadt (also filed as ak02079nlp8l). Read Tue, Sep 29, 2026, 12:58 PM UTC.