QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usb000qprq
USGS usb000qprq
10 Apr 2014, 21:19
77 km NNW of Hihifo, Tonga
A magnitude 5 mb earthquake at 50.8 km depth.
Published location
Where is 77 km NNW 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.
-15.278300, -173.989200
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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
usb000qprq
Coordinates
-15.2783, -173.9892
Network
us
Significance
385