QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/iscgem906817
USGS iscgem906817
9 Jun 1931, 14:52
182 km NW of Hihifo, Tonga
A magnitude 6.3 mw earthquake at 20 km depth.
Published location
Where is 182 km NW of Hihifo, Tonga?
This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.
-14.893000, -175.099000
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What the numbers mean
Magnitude measures event size; depth locates the source below the surface. Neither value alone establishes local damage or personal risk.
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Catalog fields and provenance
Event ID
iscgem906817
Coordinates
-14.893, -175.099
Network
iscgem
Significance
613