Alaska earthquakes

M3.1 earthquake 52 km WNW of Anchor Point, Alaska

A magnitude 3.1 earthquake struck 52 km WNW of Anchor Point, Alaska on Fri, Sep 23, 2016, 5:09 AM AKDT (13:09 UTC), 99 km (62 mi) below the surface.

A larger quake followed: M4.0 56 km W of Happy Valley, Alaska. This one was a foreshock.

Anchor Point forecast More in Alaska

Map

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

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The earthquake

Magnitude: 3.1 (ML, local (Richter)), minor
Magnitude from: Alaska Earthquake Center
Local time: Fri, Sep 23, 2016, 5:09 AM AKDT
UTC: 2016-09-23 13:09:15 UTC
Depth: 99.0 km (61.5 mi), intermediate-depth
Epicenter: 59.957° N, 152.692° 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
3.1	ML, local (Richter)	Alaska Earthquake Center	Preferred · Preliminary
3.2	ML, local (Richter)	USGS National Earthquake Information Center	Reviewed

What happened

The USGS’s account of the effects of this earthquake.

Felt at Fairbanks and Manley Hot Springs.

From the USGS event page for ak016c9sa9dc. U.S. Geological Survey text and figures are in the public domain.

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: 185

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 200 in the 60 days after this one and at least 200 in the 30 days before it.

After

The first 60 of at least 200.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak016c9sa9dc (also filed as ak14019876, us10006rzh). Read Mon, Oct 5, 2026, 9:47 AM UTC.