QQuakeFacts
USGS usp000d1vr

10 Aug 2004, 07:24

109 km E of Pangai, Tonga

A magnitude 5.2 mwc earthquake at 42.4 km depth.

Depth42.4 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated19 December 2025Latest timestamp stored in this record

Published location

Where is 109 km E of Pangai, 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.

-19.658000, -173.318000

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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
usp000d1vr
Coordinates
-19.658, -173.318
Network
us
Significance
416