Alaska earthquakes

M2.4 earthquake 86 km NE of Adak, Alaska

A magnitude 2.4 earthquake struck 86 km NE of Adak, Alaska on Mon, Sep 23, 2024, 9:01 PM HADT (06:01 UTC), 187 km (116 mi) below the surface.

A larger quake followed: M4.1 18 km WSW of Atka, Alaska. This one was a foreshock.

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The earthquake

Magnitude
2.4 (ML, local (Richter)), micro
Magnitude from
Alaska Earthquake Center
Local time
UTC
2024-09-24 06:01:50 UTC
Depth
186.5 km (115.9 mi), intermediate-depth
Epicenter
52.394° N, 175.685° 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
21

Nearby

Within 100 km, magnitude 1.5 and up: 75 in the 60 days after this one and 55 in the 30 days before it.

After

The first 60 of 75.

Before

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak024cbblxjy. Read Fri, Oct 2, 2026, 9:20 PM UTC.