M6.0 earthquake - 220 km WNW of Hihifo, Tonga
23079 d ago · 9 Aug 1963, 14:36 UTC 220 km WNW of Hihifo, Tonga
What happened
A magnitude 6 earthquake struck 220 km WNW of Hihifo, Tonga on 9 Aug 1963, 14:36 UTC at a depth of 25 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.
Timeline
First reported by USGS
16 Oct 2026, 20:46 UTC
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