QQuakeFacts
USGS usp000bq6z

7 Feb 2003, 18:47

53 km W of Haveluloto, Tonga

A magnitude 5.5 mwc earthquake at 113.7 km depth.

Depth113.7 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated19 December 2025Latest timestamp stored in this record

Published location

Where is 53 km W 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.

-21.107000, -175.723000

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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
usp000bq6z
Coordinates
-21.107, -175.723
Network
us
Significance
465