M6.3 earthquake - 135 km WNW of Neiafu, Tonga
13298 d ago · 20 May 1990, 07:32 UTC 135 km WNW of Neiafu, Tonga
What happened
A magnitude 6.3 earthquake struck 135 km WNW of Neiafu, Tonga on 20 May 1990, 07:32 UTC at a depth of 232 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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