QQuakeFacts
USGS iscgem897986

9 Aug 1947, 04:48

central Mid-Atlantic Ridge

A magnitude 6 mw earthquake at 15 km depth.

Depth15 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated26 April 2022Latest timestamp stored in this record

Published location

Where is central Mid-Atlantic Ridge?

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

1.044000, -28.625000

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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
iscgem897986
Coordinates
1.044, -28.625
Network
iscgem
Significance
556