QQuakeFacts
USGS usc000f4ve

10 Feb 2013, 09:37

77 km W of Neiafu, Tonga

A magnitude 5.6 mwb earthquake at 122 km depth.

Depth122 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated24 July 2022Latest timestamp stored in this record

Published location

Where is 77 km W of Neiafu, 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.

-18.608000, -174.713000

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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
usc000f4ve
Coordinates
-18.608, -174.713
Network
us
Significance
485