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M4.2 earthquake - 89 km SSW of Kaktovik, Alaska

Name: M4.2 earthquake - 89 km SSW of Kaktovik, Alaska
Start: 2018-08-12T23:30:02.776+00:00
Location: 89 km SSW of Kaktovik, Alaska

2988 d ago · 12 Aug 2018, 23:30 UTC 89 km SSW of Kaktovik, 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 4.2 earthquake struck 89 km SSW of Kaktovik, Alaska on 12 Aug 2018, 23:30 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

First reported by USGS
17 Oct 2026, 09:05 UTC

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