QQuakeFacts
USGS usp0002zbs

25 Oct 1986, 21:47

20 km WNW of Port-Vila, Vanuatu

A magnitude 6.4 mw earthquake at 30.6 km depth.

Depth30.6 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated27 April 2022Latest timestamp stored in this record

Published location

Where is 20 km WNW of Port-Vila, Vanuatu?

This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.

-17.663000, 168.135000

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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
usp0002zbs
Coordinates
-17.663, 168.135
Network
us
Significance
630