QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/us6000g98x
USGS us6000g98x
5 Dec 2021, 09:24
121 km NE of Hihifo, Tonga
A magnitude 5.1 mb earthquake at 10 km depth.
Published location
Where is 121 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.
-15.084200, -173.111100
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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
us6000g98x
Coordinates
-15.0842, -173.1111
Network
us
Significance
400