QQuakeFacts
USGS usp000a08q

14 Sept 2000, 18:33

184 km SW of Vaini, Tonga

A magnitude 5.5 mwc earthquake at 109.5 km depth.

Depth109.5 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated19 December 2025Latest timestamp stored in this record

Published location

Where is 184 km SW of Vaini, 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.

-22.468000, -176.332000

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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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Catalog fields and provenance
Event ID
usp000a08q
Coordinates
-22.468, -176.332
Network
us
Significance
465