QQuakeFacts
USGS usp000ed6k

29 Mar 2006, 07:38

175 km S of ‘Ohonua, Tonga

A magnitude 5.3 mwc earthquake at 46.4 km depth.

Depth46.4 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated22 December 2025Latest timestamp stored in this record

Published location

Where is 175 km S of ‘Ohonua, 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.

-22.911000, -175.109000

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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
usp000ed6k
Coordinates
-22.911, -175.109
Network
us
Significance
432