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6.4
EarthquakeMajor

M6.4 earthquake - Tonga

15987 d ago · 8 Jan 1983, 11:21 UTC Tonga

What happened

A magnitude 6.4 earthquake struck Tonga on 8 Jan 1983, 11:21 UTC at a depth of 33 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 Apia, about 241 km away in Tuamasaga, Samoa.

Timeline

  1. First reported by USGS

    16 Oct 2026, 20:46 UTC

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