Alaska earthquakes

M1.8 earthquake 18 km W of Cantwell, Alaska

A magnitude 1.8 earthquake struck 18 km W of Cantwell, Alaska on Sun, Jun 24, 2018, 9:43 AM AKDT (17:43 UTC), 4 km (3 mi) below the surface.

A larger quake followed: M5.0 63 km N of Petersville, 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
2018-06-24 17:43:57 UTC
Depth
4.2 km (2.6 mi), shallow
Epicenter
63.394° N, 149.323° 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
71

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 141 in the 60 days after this one and 76 in the 30 days before it.

After

The first 60 of 141.

Before

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak01881pffws (also filed as ak19798288). Read Fri, Oct 2, 2026, 10:26 PM UTC.