Open Earth
4.0
EarthquakeModerate

M4.0 earthquake - 263 km WNW of Attu Station, Alaska

3373 d ago · 23 Jul 2017, 05:59 UTC 263 km WNW of Attu Station, Alaska

What happened

A magnitude 4 earthquake struck 263 km WNW of Attu Station, Alaska on 23 Jul 2017, 05:59 UTC at a depth of 10 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.

Timeline

  1. First reported by USGS

    17 Oct 2026, 08:41 UTC

Community Live

Did you feel it?

Nearby in the last 30 days

No other events recorded within about 300 km in the last 30 days.