QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp000chnc
USGS usp000chnc
11 Jan 2004, 08:07
256 km W of Hihifo, Tonga
A magnitude 5.9 mwb earthquake at 366.1 km depth.
Published location
Where is 256 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.
-16.237000, -176.175000
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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
usp000chnc
Coordinates
-16.237, -176.175
Network
us
Significance
536