QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/us10002xg5
USGS us10002xg5
3 Aug 2015, 15:01
82 km SW of Hihifo, Tonga
A magnitude 5.7 mww earthquake at 176 km depth.
Published location
Where is 82 km SW 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.
-16.470100, -174.355700
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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
us10002xg5
Coordinates
-16.4701, -174.3557
Network
us
Significance
500