M5.1 earthquake - 21 km NNE of Hihifo, Tonga
1855 d ago · 18 Sept 2021, 00:56 UTC 21 km NNE of Hihifo, Tonga
What happened
A magnitude 5.1 earthquake struck 21 km NNE of Hihifo, Tonga on 18 Sept 2021, 00:56 UTC at a depth of 67 km.
Earthquakes of this size are classed as Moderate. Can damage poorly built structures close to the epicentre. This was a shallow earthquake, which tends to be felt more strongly at the surface.
The nearest town in our records is Apia, about 300 km away in Tuamasaga, Samoa.
Timeline
First reported by USGS
16 Oct 2026, 20:47 UTC
Community
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