Alaska earthquakes

M3.0 earthquake 54 km SE of Atka, Alaska

A magnitude 3.0 earthquake struck 54 km SE of Atka, Alaska on Sun, Jun 12, 2022, 3:28 PM HADT (00:28 UTC), 135 km (84 mi) below the surface.

A larger quake followed: M5.3 Andreanof Islands, Aleutian Islands, Alaska. This one was a foreshock.

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The earthquake

Magnitude: 3.0 (ML, local (Richter)), minor
Magnitude from: USGS National Earthquake Information Center
Local time: Sun, Jun 12, 2022, 3:28 PM HADT
UTC: 2022-06-13 00:28:22 UTC
Depth: 134.7 km (83.7 mi), intermediate-depth
Epicenter: 51.899° N, 173.567° W
Region: Alaska
Tsunami flag: No
Status: Reviewed by a seismologist

Magnitude estimates

Different scales measure different things and differ by a few tenths. The USGS marks one as preferred, and it is the one this page uses.

Mag.	Scale	Computed by	Notes
3.0	ML, local (Richter)	USGS National Earthquake Information Center	Preferred · Reviewed · ±0.097 · 14 stations
2.1	ML, local (Richter)	Alaska Earthquake Center	Preliminary

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 13.8 km horizontally, 17.5 km in depth
Magnitude uncertainty: ±0.10
Station coverage gap: 206°, poorly surrounded by stations
Stations used: 12

Nearby

Within 100 km, magnitude 1.5 and up: at least 199 in the 60 days after this one and 91 in the 30 days before it.

After

The first 60 of at least 199.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000i7xa (also filed as ak0227j8ayvk). Read Thu, Oct 1, 2026, 11:21 AM UTC.