M6.5 earthquake - 59 km W of Hihifo, Tonga
15521 d ago · 18 Apr 1984, 06:49 UTC 59 km W of Hihifo, Tonga
What happened
A magnitude 6.5 earthquake struck 59 km W of Hihifo, Tonga on 18 Apr 1984, 06:49 UTC at a depth of 150 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
First reported by USGS
16 Oct 2026, 20:46 UTC
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