QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/us20002ywd
USGS us20002ywd
21 Jul 2015, 16:58
52 km N of Kolonga, Tonga
A magnitude 5.2 mb earthquake at 10 km depth.
Published location
Where is 52 km N of Kolonga, 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.
-20.664700, -175.027300
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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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Use local emergency authorities and the live USGS event page. This historical evidence page is not an alert service.
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Catalog fields and provenance
Event ID
us20002ywd
Coordinates
-20.6647, -175.0273
Network
us
Significance
417