Alaska earthquakes

M1.6 earthquake 50 km E of Pedro Bay, Alaska

A magnitude 1.6 earthquake struck 50 km E of Pedro Bay, Alaska on Mon, May 21, 2018, 10:39 PM AKDT (06:39 UTC), 112 km (70 mi) below the surface.

A larger quake followed: M4.0 20 km SE of Pedro Bay, Alaska. This one was a foreshock.

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Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude: 1.6 (ML, local (Richter)), micro
Magnitude from: Alaska Earthquake Center
Local time: Mon, May 21, 2018, 10:39 PM AKDT
UTC: 2018-05-22 06:39:56 UTC
Depth: 111.9 km (69.5 mi), intermediate-depth
Epicenter: 59.731° N, 153.206° 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: 25

Nearest places

Distance and direction from each place to the epicenter, with its forecast.

Nearby

Within 100 km, magnitude 1.5 and up: at least 202 in the 60 days after this one and at least 200 in the 30 days before it.

After

The first 60 of at least 202.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0186iy4d14 (also filed as ak19696035). Read Sat, Oct 3, 2026, 10:43 PM UTC.