QQuakeFacts
USGS usp000j5ey

25 Jul 2011, 06:30

51 km E of ‘Ohonua, Tonga

A magnitude 5.2 mwc earthquake at 36.6 km depth.

Depth36.6 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated22 December 2025Latest timestamp stored in this record

Published location

Where is 51 km E 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.

-21.292000, -174.453000

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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
usp000j5ey
Coordinates
-21.292, -174.453
Network
us
Significance
416