QQuakeFacts
USGS usp000gshx

13 Jan 2009, 10:38

163 km S of ‘Ohonua, Tonga

A magnitude 5 mb earthquake at 40.1 km depth.

Depth40.1 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated7 November 2014Latest timestamp stored in this record

Published location

Where is 163 km S of ‘Ohonua, 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.

-22.790000, -175.211000

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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
usp000gshx
Coordinates
-22.79, -175.211
Network
us
Significance
385