QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/us10007t9m
USGS us10007t9m
14 Jan 2017, 10:34
109 km NNE of Hihifo, Tonga
A magnitude 5.5 mww earthquake at 5.2 km depth.
Published location
Where is 109 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.
-15.112300, -173.268200
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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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Nearby events with a similar magnitude
Catalog fields and provenance
Event ID
us10007t9m
Coordinates
-15.1123, -173.2682
Network
us
Significance
467