QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/iscgem912690
USGS iscgem912690
17 Dec 1920, 19:00
26 km S of Nueve de Julio, Argentina
A magnitude 6.7 mw earthquake at 15 km depth.
Published location
Where is 26 km S of Nueve de Julio, Argentina?
This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.
-31.905000, -68.412000
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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
iscgem912690
Coordinates
-31.905, -68.412
Network
iscgem
Significance
699