Alaska earthquakes

M1.9 earthquake 18 km WNW of Ninilchik, Alaska

A magnitude 1.9 earthquake struck 18 km WNW of Ninilchik, Alaska on Sat, Sep 30, 2017, 4:10 PM AKDT (00:10 UTC), 72 km (45 mi) below the surface.

A larger quake followed: M4.8 68 km E of Port Alsworth, Alaska. This one was a foreshock.

Ninilchik forecast More in Alaska

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The earthquake

Magnitude: 1.9 (ML, local (Richter)), micro
Magnitude from: Alaska Earthquake Center
Local time: Sat, Sep 30, 2017, 4:10 PM AKDT
UTC: 2017-10-01 00:10:35 UTC
Depth: 71.7 km (44.6 mi), intermediate-depth
Epicenter: 60.090° N, 151.990° W
Region: Alaska
Tsunami flag: No
Status: Reviewed by a seismologist

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: 55

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

After

The first 60 of at least 201.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak017cl5bb7c (also filed as ak16965336). Read Sat, Oct 3, 2026, 12:03 AM UTC.