QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp000a2hs
USGS usp000a2hs
28 Oct 2000, 01:12
Tonga region
A magnitude 5.1 mwc earthquake at 33 km depth.
Published location
Where is Tonga region?
This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.
-17.842000, -172.870000
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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
usp000a2hs
Coordinates
-17.842, -172.87
Network
us
Significance
400