QQuakeFacts
USGS usp00012wp

12 Sept 1979, 06:17

55 km S of Biak, Indonesia

A magnitude 7.9 ms earthquake at 5 km depth.

Depth5 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated19 December 2025Latest timestamp stored in this record

Published location

Where is 55 km S of Biak, Indonesia?

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

-1.679000, 136.040000

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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
usp00012wp
Coordinates
-1.679, 136.04
Network
us
Significance
960