QQuakeFacts
USGS us6000kvtk

27 Jul 2023, 01:28

107 km ESE of Hihifo, Tonga

A magnitude 5.5 mww earthquake at 10 km depth.

Depth10 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated30 September 2023Latest timestamp stored in this record

Published location

Where is 107 km ESE 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.

-16.299400, -172.855300

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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
us6000kvtk
Coordinates
-16.2994, -172.8553
Network
us
Significance
465