Alaska earthquakes

M2.4 earthquake 22 km WSW of Chenega, Alaska

A magnitude 2.4 earthquake struck 22 km WSW of Chenega, Alaska on Tue, Sep 5, 2017, 10:01 PM AKDT (06:01 UTC), 8 km (5 mi) below the surface.

A larger quake followed: M3.1 50 km E of Chenega, Alaska. This one was a foreshock.

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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: 2.4 (ML, local (Richter)), micro
Magnitude from: Alaska Earthquake Center
Local time: Tue, Sep 5, 2017, 10:01 PM AKDT
UTC: 2017-09-06 06:01:32 UTC
Depth: 8.1 km (5.0 mi), shallow
Epicenter: 60.013° N, 148.409° W
Region: Alaska
Felt reports: 1
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
2.4	ML, local (Richter)	Alaska Earthquake Center	Preferred · Preliminary
2.4	ML, local (Richter)	USGS National Earthquake Information Center	Reviewed

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

Reviewed by a seismologist.

Stations used: 37

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 54 in the 60 days after this one and 19 in the 30 days before it.

After

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak017bfweatx (also filed as ak16774505, us2000agks). Read Sun, Oct 4, 2026, 4:57 AM UTC.