QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp000h7mc
USGS usp000h7mc
23 Feb 2010, 15:36
126 km NE of Hihifo, Tonga
A magnitude 5 mwc earthquake at 53.1 km depth.
Published location
Where is 126 km NE 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.
-15.112000, -173.003000
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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
usp000h7mc
Coordinates
-15.112, -173.003
Network
us
Significance
385