Alaska earthquakes

M2.6 earthquake 109 km SSE of Adak, Alaska

A magnitude 2.6 earthquake struck 109 km SSE of Adak, Alaska on Tue, Oct 15, 2024, 12:00 PM HADT (21:00 UTC), 17 km (11 mi) below the surface.

A larger quake followed: M6.3 104 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.

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The earthquake

Magnitude: 2.6 (ML, local (Richter)), micro
Magnitude from: USGS National Earthquake Information Center
Local time: Tue, Oct 15, 2024, 12:00 PM HADT
UTC: 2024-10-15 21:00:04 UTC
Depth: 17.2 km (10.7 mi), shallow
Epicenter: 50.959° N, 176.036° 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
2.6	ML, local (Richter)	USGS National Earthquake Information Center	Preferred · Reviewed · ±0.097 · 14 stations
2.3	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 3.8 km horizontally, 14.0 km in depth
Magnitude uncertainty: ±0.10
Depth from: From location
Station coverage gap: 237°, poorly surrounded by stations
Stations used: 15

Nearby

Within 100 km, magnitude 1.5 and up: at least 201 in the 60 days after this one and 163 in the 30 days before it.

After

The first 60 of at least 201.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000p6u2 (also filed as ak024daatepj). Read Fri, Oct 2, 2026, 12:20 AM UTC.