Alaska earthquakes

M2.4 earthquake 70 km SW of Nanwalek, Alaska

A magnitude 2.4 earthquake struck 70 km SW of Nanwalek, Alaska on Wed, Oct 17, 2018, 8:20 PM AKDT (04:20 UTC), 62 km (38 mi) below the surface.

A larger quake followed: M4.2 19 km SSW of Anchor Point, 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: 2.4 (ml), micro
Local time: Wed, Oct 17, 2018, 8:20 PM AKDT
UTC: 2018-10-18 04:20:51 UTC
Depth: 61.7 km (38.3 mi), shallow
Epicenter: 58.936° N, 152.834° 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: 85

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 107 in the 30 days before it.

After

The first 60 of at least 199.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak018ddbw4fd (also filed as ak20286315, us1000hdrg, aacse018ddbw4fd). Read Wed, Sep 30, 2026, 12:33 PM UTC.