Alaska earthquakes

M4.0 earthquake 91 km ESE of Adak, Alaska

A magnitude 4.0 earthquake struck 91 km ESE of Adak, Alaska on Sun, Jun 14, 2020, 3:37 PM HADT (00:37 UTC), 35 km (22 mi) below the surface.

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The earthquake

Magnitude: 4.0 (mb), light
Local time: Sun, Jun 14, 2020, 3:37 PM HADT
UTC: 2020-06-15 00:37:09 UTC
Depth: 35.0 km (21.7 mi), shallow
Epicenter: 51.443° N, 175.515° 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 5.5 km horizontally, 1.9 km in depth
Magnitude uncertainty: ±0.05
Depth from: Operator assigned
Station coverage gap: 125°
Stations used: 161

Nearby

Within 100 km, magnitude 1.5 and up: 152 in the 60 days after this one and 68 in the 30 days before it.

After

The first 60 of 152.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000abwp (also filed as ak0207o6ywla). Read Tue, Sep 29, 2026, 4:06 PM UTC.