Alaska earthquakes

M2.0 earthquake 208 km W of Adak, Alaska

A magnitude 2.0 earthquake struck 208 km W of Adak, Alaska on Fri, Jul 27, 2018, 5:34 PM HADT (02:34 UTC), 90 km (56 mi) below the surface.

A larger quake followed: M4.2 Andreanof Islands, Aleutian Islands, Alaska. This one was a foreshock.

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The earthquake

Magnitude
2.0 (ML, local (Richter)), micro
Magnitude from
Alaska Earthquake Center
Local time
UTC
2018-07-28 02:34:27 UTC
Depth
90.1 km (56.0 mi), intermediate-depth
Epicenter
51.708° N, 179.647° 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
18

Nearby

Within 100 km, magnitude 1.5 and up: 171 in the 60 days after this one and 90 in the 30 days before it.

After

The first 60 of 171.

Before

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0189lopqvs (also filed as ak19975508). Read Fri, Oct 2, 2026, 7:53 PM UTC.