USGS reports magnitude 3.5 earthquake: 148 km SE of Chignik, Alaska

The US Geological Survey recorded a magnitude 3.5 earthquake at 2026-10-12 23:23:01 UTC. Its location description is “148 km SE of Chignik, Alaska”.

The agency lists the depth as 6.0 kilometers. The report is marked reviewed by USGS; measurements can still be revised.

This brief reports the event data, not its impact. It does not establish whether anyone was injured or property was damaged. Use the linked USGS event page for updated measurements.