QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/us6000fwvd
USGS us6000fwvd
22 Oct 2021, 22:59
121 km S of Hihifo, Tonga
A magnitude 5 mb earthquake at 75.1 km depth.
Published location
Where is 121 km S 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.
-17.039900, -173.967700
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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
us6000fwvd
Coordinates
-17.0399, -173.9677
Network
us
Significance
385