QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp000aru2
USGS usp000aru2
28 Oct 2001, 20:24
171 km WSW of Haveluloto, Tonga
A magnitude 5.7 mwc earthquake at 189.7 km depth.
Published location
Where is 171 km WSW of Haveluloto, 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.
-21.797000, -176.716000
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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
usp000aru2
Coordinates
-21.797, -176.716
Network
us
Significance
500