QQuakeFacts
USGS usp000hm90

27 Sept 2010, 20:18

144 km SSW of ‘Ohonua, Tonga

A magnitude 5 mb earthquake at 35 km depth.

Depth35 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated7 November 2014Latest timestamp stored in this record

Published location

Where is 144 km SSW 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.

-22.596000, -175.296000

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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
usp000hm90
Coordinates
-22.596, -175.296
Network
us
Significance
385