QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/iscgem912389
USGS iscgem912389
18 Dec 1921, 15:29
130 km W of Puerto Nariño, Colombia
A magnitude 7.3 mw earthquake at 540 km depth.
Published location
Where is 130 km W of Puerto Nariño, Colombia?
This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.
-3.918000, -71.520000
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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
iscgem912389
Coordinates
-3.918, -71.52
Network
iscgem
Significance
820