QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp000ht9s
USGS usp000ht9s
18 Jan 2011, 02:02
233 km W of Hihifo, Tonga
A magnitude 5.2 mwc earthquake at 350.4 km depth.
Published location
Where is 233 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.
-16.212000, -175.960000
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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
usp000ht9s
Coordinates
-16.212, -175.96
Network
us
Significance
416