QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/iscgem892538
USGS iscgem892538
3 Mar 1952, 07:12
62 km SE of ‘Ohonua, Tonga
A magnitude 6.3 mw earthquake at 22.3 km depth.
Published location
Where is 62 km SE of ‘Ohonua, 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.
-21.656000, -174.460000
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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
iscgem892538
Coordinates
-21.656, -174.46
Network
iscgem
Significance
605