QQuakeFacts
QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp0004vd9
USGS usp0004vd9

15 Aug 1991, 14:35

63 km E of Lakatoro, Vanuatu

A magnitude 6.3 mw earthquake at 170.8 km depth.

Depth170.8 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated28 April 2022Latest timestamp stored in this record

Published location

Where is 63 km E of Lakatoro, 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.

-16.064000, 168.010000

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Map data © OpenStreetMap contributors

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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Nearby events with a similar magnitude

M 6.3

75 km ENE of Norsup, Vanuatu

M 6.3

78 km NW of Port-Vila, Vanuatu

M 6.3

68 km NNE of Port-Vila, Vanuatu

M 6.3

262 km ESE of Sola, Vanuatu

M 6.3

53 km E of Luganville, Vanuatu

M 6.3

83 km NW of Port-Vila, Vanuatu

Catalog fields and provenance
Event ID
usp0004vd9
Coordinates
-16.064, 168.01
Network
us
Significance
611