EarthquakeMajor

M6.3 earthquake near Hilo, Hawaii

Name: M6.3 earthquake near Hilo, Hawaii
Start: 1951-08-21T10:57:00.38+00:00
Location: 20 km SSW of Honaunau-Napoopoo, Hawaii

27450 d ago · 21 Aug 1951, 10:57 UTC 20 km SSW of Honaunau-Napoopoo, Hawaii

What happened

A magnitude 6.3 earthquake struck 20 km SSW of Honaunau-Napoopoo, Hawaii on 21 Aug 1951, 10:57 UTC at a depth of 10 km.

Earthquakes of this size are classed as Strong. Can cause damage in populated areas up to tens of kilometres away. This was a shallow earthquake, which tends to be felt more strongly at the surface.

The nearest town in our records is Hilo, about 101 km away in Hawaii, United States.

Timeline

First reported by USGS
16 Oct 2026, 20:46 UTC

Community

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