M4.5 Earthquake Strikes Near Atka, Alaska
Atka, Alaska — A magnitude 4.5 earthquake shook the Aleutian Islands region on Saturday afternoon, striking offshore southeast of Atka.
What happened: The quake hit at 1:51 p.m. Central Time on Saturday, October 31, about 111 kilometers (69 miles) east-southeast of Atka, Alaska. The U.S. Geological Survey put the depth at about 45 kilometers (28 miles) below the surface. The tremor registered as light shaking, and the USGS listed no tsunami threat from this event.
Impacts: No damage reports were listed with the USGS event page at the time of this report, and no felt reports were recorded. Atka sits in the remote Aleutian chain, where quakes of this size are not uncommon along the Alaska-Aleutian seismic zone.
What to do:
- Drop, cover, and hold on during shaking, and stay put until it stops.
- Check your surroundings for hazards such as fallen objects or damaged utilities.
- Be ready for aftershocks, which can follow a quake like this one.
Source: U.S. Geological Survey (USGS), October 31, 2026.
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