QQuakeFacts
USGS usp000djcm

17 Mar 2005, 06:56

189 km E of Hihifo, Tonga

A magnitude 5.2 mwc earthquake at 21.7 km depth.

Depth21.7 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated19 December 2025Latest timestamp stored in this record

Published location

Where is 189 km E of Hihifo, 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.

-15.817000, -172.036000

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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
usp000djcm
Coordinates
-15.817, -172.036
Network
us
Significance
416