QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp0009rch
USGS usp0009rch
16 Apr 2000, 14:25
31 km E of Neiafu, Tonga
A magnitude 5.6 mwc earthquake at 65.4 km depth.
Published location
Where is 31 km E of Neiafu, 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.
-18.702000, -173.686000
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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
usp0009rch
Coordinates
-18.702, -173.686
Network
us
Significance
482