M5.1 earthquake - 104 km ESE of Hihifo, Tonga
3221 d ago · 21 Dec 2017, 15:08 UTC 104 km ESE of Hihifo, Tonga
What happened
A magnitude 5.1 earthquake struck 104 km ESE of Hihifo, Tonga on 21 Dec 2017, 15:08 UTC at a depth of 10 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 299 km away in Tuamasaga, Samoa.
Timeline
First reported by USGS
16 Oct 2026, 20:47 UTC
Community
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