QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/us10003pj2
USGS us10003pj2
18 Oct 2015, 19:17
50 km ESE of Hihifo, Tonga
A magnitude 5.1 mb earthquake at 10 km depth.
Published location
Where is 50 km ESE 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.
-16.129800, -173.362700
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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
us10003pj2
Coordinates
-16.1298, -173.3627
Network
us
Significance
400