QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/us10006u90
USGS us10006u90
1 Oct 2016, 01:33
259 km S of ‘Ohonua, Tonga
A magnitude 5.6 mww earthquake at 10 km depth.
Published location
Where is 259 km S 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.
-23.680600, -174.926100
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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
us10006u90
Coordinates
-23.6806, -174.9261
Network
us
Significance
482