Magnitude 6.3 earthquake strikes near Nikolski, Alaska

A magnitude 6.3 earthquake struck 84 km southwest of Nikolski, Alaska, at 11:17:24 UTC on September 3, 2026, according to the USGS. The epicenter was located at 52.258°N, 169.409°W, at a depth of 35.00 km (21.75 mi).

The USGS ShakeMap placed maximum shaking intensity at IV on the Modified Mercalli scale. The agency's "Did You Feel It?" system recorded a maximum reported intensity of V, based on 2 submitted reports. The Tsunami Warning Center was linked in connection with the event.