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6.6
EarthquakeMajor

M6.6 earthquake - 131 km SSW of Hihifo, Tonga

15327 d ago · 30 Oct 1984, 01:05 UTC 131 km SSW of Hihifo, Tonga

What happened

A magnitude 6.6 earthquake struck 131 km SSW of Hihifo, Tonga on 30 Oct 1984, 01:05 UTC at a depth of 141 km.

Earthquakes of this size are classed as Strong. Can cause damage in populated areas up to tens of kilometres away. This was an intermediate-depth earthquake, so shaking is spread over a wider, gentler area.

Timeline

  1. First reported by USGS

    16 Oct 2026, 20:46 UTC

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