Magnitude 4.6 earthquake strikes 95 km SE of Atka, Alaska

A magnitude 4.6 earthquake struck 95 kilometers southeast of Atka, Alaska, on Thursday, July 23, 2026, at 06:51:08 GMT. The United States Geological Survey (USGS), responsible for reporting earthquake data globally, recorded the seismic event at coordinates 51.6051 latitude and -173.1921 longitude.

The earthquake originated at a depth of 40.716 kilometers. The USGS utilizes a global network of seismograph stations to detect and locate earthquakes, determining their magnitude and depth based on seismic wave data.