QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp000d3f8
USGS usp000d3f8
3 Sept 2004, 15:53
107 km NNE of Hihifo, Tonga
A magnitude 5.3 mwc earthquake at 24.3 km depth.
Published location
Where is 107 km NNE 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.
-15.018000, -173.535000
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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
usp000d3f8
Coordinates
-15.018, -173.535
Network
us
Significance
432