Alaska earthquakes

M2.0 earthquake 68 km ENE of Adak, Alaska

A magnitude 2.0 earthquake struck 68 km ENE of Adak, Alaska on Sat, Mar 11, 2023, 11:47 AM HAST (21:47 UTC), 121 km (75 mi) below the surface.

A larger quake followed: M4.7 81 km NE of Adak, 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: 2.0 (ml), micro
Local time: Sat, Mar 11, 2023, 11:47 AM HAST
UTC: 2023-03-11 21:47:42 UTC
Depth: 120.8 km (75.1 mi), intermediate-depth
Epicenter: 52.202° N, 175.793° 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 15.9 km horizontally, 8.9 km in depth
Magnitude uncertainty: ±0.15
Depth from: From location
Station coverage gap: 310°, poorly surrounded by stations
Stations used: 9

Nearby

Within 100 km, magnitude 1.5 and up: 111 in the 60 days after this one and 37 in the 30 days before it.

After

The first 60 of 111.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000jlml (also filed as ak023384ek9t). Read Thu, Oct 1, 2026, 12:30 AM UTC.