QQuakeFacts
USGS iscgem789784

2 Nov 1970, 11:13

236 km W of Hihifo, Tonga

A magnitude 6.2 mw earthquake at 10 km depth.

Depth10 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated19 December 2025Latest timestamp stored in this record

Published location

Where is 236 km W of Hihifo, Tonga?

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

-15.573000, -175.965000

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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
iscgem789784
Coordinates
-15.573, -175.965
Network
iscgem
Significance
582