QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/us20008kn8
USGS us20008kn8
18 Feb 2017, 12:10
52 km NW of San Antonio de los Cobres, Argentina
A magnitude 6.4 mww earthquake at 222 km depth.
Published location
Where is 52 km NW of San Antonio de los Cobres, 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.
-23.861300, -66.659200
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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
us20008kn8
Coordinates
-23.8613, -66.6592
Network
us
Significance
639