QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp000bnc1
USGS usp000bnc1
10 Jan 2003, 18:19
63 km W of Hihifo, Tonga
A magnitude 5.5 mwc earthquake at 146.3 km depth.
Published location
Where is 63 km W 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.
-15.860000, -174.380000
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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
usp000bnc1
Coordinates
-15.86, -174.38
Network
us
Significance
465