QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp000adrk
USGS usp000adrk
21 Apr 2001, 19:15
6 km NNW of Chilecito, Argentina
A magnitude 5.8 mwb earthquake at 127.8 km depth.
Published location
Where is 6 km NNW of Chilecito, 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.
-29.103000, -67.520000
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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
usp000adrk
Coordinates
-29.103, -67.52
Network
us
Significance
518