QQuakeFacts
USGS us1000hfy0

23 Oct 2018, 05:38

southeast of the Loyalty Islands

A magnitude 5.3 mww earthquake at 53.5 km depth.

Depth53.5 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated3 May 2022Latest timestamp stored in this record

Published location

Where is southeast of the Loyalty Islands?

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

-22.515400, 171.142000

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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
us1000hfy0
Coordinates
-22.5154, 171.142
Network
us
Significance
432