Alaska earthquakes

M2.5 earthquake 16 km WSW of Lutak, Alaska

A magnitude 2.5 earthquake struck 16 km WSW of Lutak, Alaska on Tue, Sep 28, 2021, 10:08 AM AKDT (18:08 UTC), 20 km (12 mi) below the surface.

Automatic solution: the magnitude and location may still be revised.

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Map

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

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The earthquake

Magnitude: 2.5 (ML, local (Richter)), micro
Magnitude from: Alaska Earthquake Center
Local time: Tue, Sep 28, 2021, 10:08 AM AKDT
UTC: 2021-09-28 18:08:04 UTC
Depth: 19.9 km (12.4 mi), shallow
Epicenter: 59.261° N, 135.804° W
Region: Alaska
Felt reports: 1
Tsunami flag: No
Status: Automatic solution, may be revised

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
2.5	ML, local (Richter)	Alaska Earthquake Center	Preferred · Preliminary
2.7	ML, local (Richter)	USGS National Earthquake Information Center	Reviewed · ±0.045 · 66 stations

Did you feel it?

1 person reported to the USGS what they felt; the strongest reported shaking was II, weak shaking.

How well it is located

An automatic solution; a seismologist may revise it.

Stations used: 11

Nearest places

Distance and direction from each place to the epicenter, with its forecast.

Nearby

Within 100 km, magnitude 1.5 and up: 18 in the 60 days after this one and 5 in the 30 days before it.

After

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak021cghekt8 (also filed as us6000fpv5). Read Thu, Oct 1, 2026, 10:35 PM UTC.