Alaska earthquakes

M1.6 earthquake 4 km NE of Hope, Alaska

A magnitude 1.6 earthquake struck 4 km NE of Hope, Alaska on Fri, Jul 21, 2017, 1:43 AM AKDT (09:43 UTC), 29 km (18 mi) below the surface.

A larger quake followed: M4.1 4 km ESE of Nikiski, Alaska. This one was a foreshock.

Girdwood forecastMore in Alaska

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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
1.6 (ML, local (Richter)), micro
Magnitude from
Alaska Earthquake Center
Local time
UTC
2017-07-21 09:43:29 UTC
Depth
28.6 km (17.8 mi), shallow
Epicenter
60.949° N, 149.585° 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
33

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 139 in the 60 days after this one and 56 in the 30 days before it.

After

The first 60 of 139.

Before

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0179a86a9q (also filed as ak16357750). Read Sun, Oct 4, 2026, 8:23 AM UTC.