M4.6 earthquake - 203 km SSW of Houma, Tonga
1122 d ago · 21 Sept 2023, 03:19 UTC 203 km SSW of Houma, Tonga
What happened
A magnitude 4.6 earthquake struck 203 km SSW of Houma, Tonga on 21 Sept 2023, 03:19 UTC at a depth of 48 km.
Earthquakes of this size are classed as Light. Widely felt nearby; objects may shake or fall. Significant damage is unusual. This was a shallow earthquake, which tends to be felt more strongly at the surface.
The nearest town in our records is Nuku‘alofa, about 211 km away in Tongatapu, Tonga.
Timeline
First reported by USGS
17 Oct 2026, 11:09 UTC
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