QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/us100095pp
USGS us100095pp
1 Jul 2017, 05:53
123 km E of ‘Ohonua, Tonga
A magnitude 5 mb earthquake at 10 km depth.
Published location
Where is 123 km E 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.
-21.491800, -173.769000
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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
us100095pp
Coordinates
-21.4918, -173.769
Network
us
Significance
385