QQuakeFacts
USGS usp000ap7w

15 Sept 2001, 16:04

117 km S of ‘Ohonua, Tonga

A magnitude 6 mwb earthquake at 10 km depth.

Depth10 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated29 April 2022Latest timestamp stored in this record

Published location

Where is 117 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.

-22.393000, -175.010000

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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
usp000ap7w
Coordinates
-22.393, -175.01
Network
us
Significance
554