Alaska earthquakes

M3.3 earthquake 9 km S of Point Possession, Alaska

A magnitude 3.3 earthquake struck 9 km S of Point Possession, Alaska on Sun, Apr 30, 2017, 1:32 PM AKDT (21:32 UTC), 26 km (16 mi) below the surface.

A larger quake followed: M5.3 14 km N of Ninilchik, 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: 3.3 (ML, local (Richter)), minor
Magnitude from: Alaska Earthquake Center
Local time: Sun, Apr 30, 2017, 1:32 PM AKDT
UTC: 2017-04-30 21:32:17 UTC
Depth: 26.3 km (16.3 mi), shallow
Epicenter: 60.837° N, 150.701° W
Region: Alaska
Felt reports: 20
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
3.3	ML, local (Richter)	Alaska Earthquake Center	Preferred · Preliminary
3.3	ML, local (Richter)	USGS National Earthquake Information Center	Reviewed

What happened

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

Also felt at Homer.

From the USGS event page for ak0175it6n9f. U.S. Geological Survey text and figures are in the public domain.

Did you feel it?

20 people reported to the USGS what they felt; the strongest reported shaking was III, weak shaking.

How well it is located

Reviewed by a seismologist.

Stations used: 121

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 121 in the 30 days before it.

After

The first 60 of at least 199.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0175it6n9f (also filed as ak15847251, us10008mab). Read Mon, Oct 5, 2026, 8:02 AM UTC.