QQuakeFacts
USGS usp0003ctk

6 Feb 1988, 21:30

26 km S of Hihifo, Tonga

A magnitude 6.2 mw earthquake at 125.5 km depth.

Depth125.5 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated28 April 2022Latest timestamp stored in this record

Published location

Where is 26 km S of Hihifo, 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.

-16.195000, -173.820000

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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
usp0003ctk
Coordinates
-16.195, -173.82
Network
us
Significance
591