Alaska earthquakes

M3.5 earthquake 243 km SE of Chiniak, Alaska

A magnitude 3.5 earthquake struck 243 km SE of Chiniak, Alaska on Thu, Nov 29, 2018, 8:08 AM AKST (17:08 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M3.7 235 km SE of Chiniak, 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
2018-11-29 17:08:16 UTC
Depth
10.0 km (6.2 mi), shallow
Epicenter
56.401° N, 148.937° 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.

Location uncertainty
About 8.0 km horizontally, 2.0 km in depth
Magnitude uncertainty
±0.05
Depth from
Operator assigned
Station coverage gap
179°
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: 157 in the 60 days after this one and 42 in the 30 days before it.

After

The first 60 of 157.

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us1000hxwt (also filed as ak20415491, aacse018fb04p56, ak018fb04p56). Read Tue, Sep 22, 2026, 2:46 PM UTC.