QQuakeFacts
USGS usp000gxhe

26 May 2009, 01:49

188 km W of Haveluloto, Tonga

A magnitude 5.5 mwc earthquake at 35 km depth.

Depth35 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated12 May 2022Latest timestamp stored in this record

Published location

Where is 188 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.

-21.011000, -177.017000

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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
usp000gxhe
Coordinates
-21.011, -177.017
Network
us
Significance
465