Alaska earthquakes

M2.0 earthquake 87 km SW of Nanwalek, Alaska

A magnitude 2.0 earthquake struck 87 km SW of Nanwalek, Alaska on Fri, Oct 20, 2017, 1:19 AM AKDT (09:19 UTC), 68 km (42 mi) below the surface.

A larger quake followed: M3.9 Southern 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
2.0 (ML, local (Richter)), micro
Magnitude from
Alaska Earthquake Center
Local time
UTC
2017-10-20 09:19:08 UTC
Depth
67.5 km (41.9 mi), shallow
Epicenter
58.870° N, 153.116° 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
45

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 todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak017dgpxodo (also filed as ak17093833). Read Fri, Oct 2, 2026, 12:28 PM UTC.