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6.0
EarthquakeMajor

M6.0 earthquake near Nuku‘alofa, Tongatapu

18779 d ago · 18 May 1975, 23:53 UTC 108 km ENE of ‘Ohonua, Tonga

What happened

A magnitude 6 earthquake struck 108 km ENE of ‘Ohonua, Tonga on 18 May 1975, 23:53 UTC at a depth of 43 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 Nuku‘alofa, about 128 km away in Tongatapu, Tonga.

Timeline

  1. First reported by USGS

    16 Oct 2026, 20:46 UTC

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