QQuakeFacts
USGS usp000bvs1

22 Apr 2003, 17:39

90 km N of Hihifo, Tonga

A magnitude 5.6 mwc earthquake at 43.8 km depth.

Depth43.8 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated2 May 2022Latest timestamp stored in this record

Published location

Where is 90 km N 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.

-15.136000, -173.793000

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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
usp000bvs1
Coordinates
-15.136, -173.793
Network
us
Significance
482