M4.6 earthquake

102 km WSW of Nikolski, Alaska

A magnitude 4.6 (light) earthquake struck 102 km WSW of Nikolski, Alaska on September 20, 2026 at 1:55 PM UTC, at a depth of 87 km.

Magnitude

4.6 mb

Depth

87 km

When

September 20, 2026 at 1:55 PM UTC

Coordinates

52.750°, -170.347°

Review status

reviewed

Source: U.S. Geological Survey. Details may be revised as the event is reviewed.