QQuakeFacts
QuakeFactsEvidence report · prepared 3 September 2026https://quakes99.com/entity/us1000azhz
USGS us1000azhz

31 Oct 2017, 23:59

Loyalty Islands, New Caledonia

A magnitude 5.1 mb earthquake at 10 km depth.

Depth10 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated24 January 2018Latest timestamp stored in this record

Published location

Where is Loyalty Islands, New Caledonia?

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

-21.728900, 168.909800

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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 5.1

129 km SW of Isangel, Vanuatu

M 5.1

269 km ESE of Tadine, New Caledonia

M 5.1

35 km SW of Port-Vila, Vanuatu

M 5.1

24 km SSE of Isangel, Vanuatu

M 5.1

91 km SW of Isangel, Vanuatu

M 5.1

50 km SW of Port-Vila, Vanuatu

Catalog fields and provenance
Event ID
us1000azhz
Coordinates
-21.7289, 168.9098
Network
us
Significance
400