M4.3 earthquake - 100 km W of Attu Station, Alaska

What happened

A magnitude 4.3 earthquake struck 100 km W of Attu Station, Alaska on 21 Jul 2017, 04:17 UTC at a depth of 37 km.

Earthquakes of this size are classed as Light. Widely felt nearby; objects may shake or fall. Significant damage is unusual. This was a shallow earthquake, which tends to be felt more strongly at the surface.