QQuakeFacts
USGS iscgemsup900496

9 Oct 1942, 16:46

38 km S of Mbamba Bay, Tanzania

A magnitude 6.4 mw earthquake at 15 km depth.

Depth15 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated9 May 2022Latest timestamp stored in this record

Published location

Where is 38 km S of Mbamba Bay, Tanzania?

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

-11.627000, 34.800000

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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
iscgemsup900496
Coordinates
-11.627, 34.8
Network
iscgemsup
Significance
628