Alaska earthquakes

M2.6 earthquake 15 km W of Susitna, Alaska

A magnitude 2.6 earthquake struck 15 km W of Susitna, Alaska on Sat, Sep 17, 2016, 7:57 PM AKDT (03:57 UTC), 62 km (38 mi) below the surface.

A larger quake followed: M4.1 19 km WSW of Skwentna, 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: 2.6 (ML, local (Richter)), micro
Magnitude from: Alaska Earthquake Center
Local time: Sat, Sep 17, 2016, 7:57 PM AKDT
UTC: 2016-09-18 03:57:21 UTC
Depth: 61.5 km (38.2 mi), shallow
Epicenter: 61.532° N, 150.801° 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)	Alaska Earthquake Center	Preferred · Preliminary
2.6	ML, local (Richter)	USGS National Earthquake Information Center	Reviewed · 125 stations

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: 125

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: at least 199 in the 60 days after this one and 120 in the 30 days before it.

After

The first 60 of at least 199.

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak016c1cxho8 (also filed as ak13997920, us10006ql4). Read Mon, Oct 5, 2026, 5:34 AM UTC.