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5.1
EarthquakeStrong

M5.1 earthquake - 93 km WNW of Attu Station, Alaska

3377 d ago · 18 Jul 2017, 20:18 UTC 93 km WNW of Attu Station, Alaska

A tsunami flag was raised for this event. This does not mean a tsunami occurred. Always follow official tsunami warning centres and local authorities.

What happened

A magnitude 5.1 earthquake struck 93 km WNW of Attu Station, Alaska on 18 Jul 2017, 20:18 UTC at a depth of 24 km.

Earthquakes of this size are classed as Moderate. Can damage poorly built structures close to the epicentre. This was a shallow earthquake, which tends to be felt more strongly at the surface.

Timeline

  1. First reported by USGS

    16 Oct 2026, 20:47 UTC

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