QQuakeFacts
USGS us10008v90

25 May 2017, 07:02

172 km SW of Vaini, Tonga

A magnitude 5.6 mww earthquake at 127 km depth.

Depth127 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated3 May 2022Latest timestamp stored in this record

Published location

Where is 172 km SW of Vaini, 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.

-22.313200, -176.329900

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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
us10008v90
Coordinates
-22.3132, -176.3299
Network
us
Significance
482