QQuakeFacts
USGS usp000j6qk

20 Aug 2011, 10:50

90 km SSW of Port-Vila, Vanuatu

A magnitude 5.3 mwc earthquake at 35 km depth.

Depth35 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated22 December 2025Latest timestamp stored in this record

Published location

Where is 90 km SSW 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.

-18.534000, 168.125000

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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
usp000j6qk
Coordinates
-18.534, 168.125
Network
us
Significance
432