QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/iscgem897983
USGS iscgem897983
7 Aug 1947, 02:40
60 km SSW of Guantánamo, Cuba
A magnitude 6.6 mw earthquake at 35 km depth.
Published location
Where is 60 km SSW of Guantánamo, Cuba?
This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.
19.613000, -75.355000
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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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Use local emergency authorities and the live USGS event page. This historical evidence page is not an alert service.
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Catalog fields and provenance
Event ID
iscgem897983
Coordinates
19.613, -75.355
Network
iscgem
Significance
670