M6.1 earthquake - 171 km NW of Hihifo, Tonga
12964 d ago · 19 Apr 1991, 11:25 UTC 171 km NW of Hihifo, Tonga
What happened
A magnitude 6.1 earthquake struck 171 km NW of Hihifo, Tonga on 19 Apr 1991, 11:25 UTC at a depth of 20 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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