Alaska earthquakes

M3.5 earthquake 36 km WNW of Anchor Point, Alaska

A magnitude 3.5 earthquake struck 36 km WNW of Anchor Point, Alaska on Mon, Sep 3, 2018, 2:12 AM AKDT (10:12 UTC), 79 km (49 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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Map

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

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The earthquake

Magnitude
3.5 (ml), minor
Local time
UTC
2018-09-03 10:12:13 UTC
Depth
78.5 km (48.8 mi), intermediate-depth
Epicenter
59.880° N, 152.450° W
Region
Alaska
Felt reports
1
Tsunami flag
No
Status
Reviewed by a seismologist

Did you feel it?

1 person reported to the USGS what they felt; the strongest reported shaking was II, weak shaking.

Did You Feel It? map: shaking reported by the public
Shaking reported by the public, by area. Map: USGS Did You Feel It?

How well it is located

Reviewed by a seismologist.

Stations used
216

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 201 in the 60 days after this one and 196 in the 30 days before it.

After

The first 60 of at least 201.

Before

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak018bb08b6d (also filed as ak20240427, us2000h74b). Read Wed, Sep 30, 2026, 2:46 AM UTC.