Alaska earthquakes

M2.8 earthquake 73 km NE of Adak, Alaska

A magnitude 2.8 earthquake struck 73 km NE of Adak, Alaska on Sun, Jul 17, 2022, 7:28 AM HADT (16:28 UTC), 210 km (130 mi) below the surface.

A larger quake followed: M4.7 21 km SSW of Adak, Alaska. This one was a foreshock.

Map

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

Open the live map with earthquakes

The earthquake

Magnitude: 2.8 (ml), micro
Local time: Sun, Jul 17, 2022, 7:28 AM HADT
UTC: 2022-07-17 16:28:11 UTC
Depth: 209.7 km (130.3 mi), intermediate-depth
Epicenter: 52.347° N, 175.894° 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 21.4 km horizontally, 12.6 km in depth
Magnitude uncertainty: ±0.10
Depth from: From location
Station coverage gap: 175°
Stations used: 19

Nearby

Within 100 km, magnitude 1.5 and up: 130 in the 60 days after this one and 101 in the 30 days before it.

After

The first 60 of 130.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000i4d8 (also filed as ak02293q3ohr). Read Wed, Sep 30, 2026, 2:25 AM UTC.