M6.8 earthquake - Tonga region
18013 d ago · 22 Jun 1977, 12:08 UTC Tonga region
What happened
A magnitude 6.8 earthquake struck Tonga region on 22 Jun 1977, 12:08 UTC at a depth of 65 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.
The nearest town in our records is Nuku‘alofa, about 206 km away in Tongatapu, Tonga.
Timeline
First reported by USGS
16 Oct 2026, 20:46 UTC
Community
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