Alaska earthquakes

M1.8 earthquake 85 km E of Chignik, Alaska

A magnitude 1.8 earthquake struck 85 km E of Chignik, Alaska on Mon, Apr 17, 2017, 10:22 PM AKDT (06:22 UTC), 39 km (24 mi) below the surface.

A larger quake followed: M3.9 47 km ESE of Chignik, Alaska. This one was a foreshock.

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

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The earthquake

Magnitude
1.8 (ML, local (Richter)), micro
Magnitude from
Alaska Earthquake Center
Local time
UTC
2017-04-18 06:22:18 UTC
Depth
39.2 km (24.4 mi), shallow
Epicenter
56.377° N, 157.026° 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
18

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 66 in the 60 days after this one and 89 in the 30 days before it.

After

The first 60 of 66.

Before

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0174ypqu6a (also filed as ak15819309). Read Sun, Oct 4, 2026, 8:17 AM UTC.