QQuakeFacts
USGS usp0000vm9

17 Jul 1978, 14:26

182 km SSE of Mata-Utu, Wallis and Futuna

A magnitude 6 mb earthquake at 292 km depth.

Depth292 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated19 December 2025Latest timestamp stored in this record

Published location

Where is 182 km SSE of Mata-Utu, Wallis and Futuna?

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

-14.893000, -175.822000

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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
usp0000vm9
Coordinates
-14.893, -175.822
Network
us
Significance
554