QQuakeFacts
USGS us6000r3ck

23 Aug 2025, 16:49

221 km SE of Hihifo, Tonga

A magnitude 5.1 mww earthquake at 10 km depth.

Depth10 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated12 November 2025Latest timestamp stored in this record

Published location

Where is 221 km SE 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.

-17.132400, -172.124200

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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
us6000r3ck
Coordinates
-17.1324, -172.1242
Network
us
Significance
400