Alaska earthquakes

M2.8 earthquake 6 km NW of Sunrise, Alaska

A magnitude 2.8 earthquake struck 6 km NW of Sunrise, Alaska on Sun, Oct 23, 2016, 5:55 AM AKDT (13:55 UTC), 28 km (17 mi) below the surface.

A larger quake followed: M4.0 31 km ESE of Point Possession, Alaska. This one was a foreshock.

Girdwood 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: 2.8 (ML, local (Richter)), micro
Magnitude from: Alaska Earthquake Center
Local time: Sun, Oct 23, 2016, 5:55 AM AKDT
UTC: 2016-10-23 13:55:05 UTC
Depth: 27.6 km (17.1 mi), shallow
Epicenter: 60.932° N, 149.496° W
Region: Alaska
Felt reports: 2
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
2.8	ML, local (Richter)	Alaska Earthquake Center	Preferred · Preliminary
2.8	ML, local (Richter)	USGS National Earthquake Information Center	Reviewed

What happened

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

Felt at Eagle River and Girdwood.

From the USGS event page for ak016dneoid9. U.S. Geological Survey text and figures are in the public domain.

Did you feel it?

2 people 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: 112

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 154 in the 60 days after this one and 69 in the 30 days before it.

After

The first 60 of 154.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak016dneoid9 (also filed as ak14258819, us20007g88). Read Mon, Oct 5, 2026, 2:05 AM UTC.