M4.5 earthquake - 101 km WSW of Nikolski, Alaska

What happened

A magnitude 4.5 earthquake struck 101 km WSW of Nikolski, Alaska on 20 Sept 2026, 13:55 UTC at a depth of 92 km.

Earthquakes of this size are classed as Light. Widely felt nearby; objects may shake or fall. Significant damage is unusual. This was an intermediate-depth earthquake, so shaking is spread over a wider, gentler area.