QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/iscgemsup913580
USGS iscgemsup913580
27 Jul 1917, 03:51
72 km WNW of Calingasta, Argentina
A magnitude 6.9 mB earthquake at 115 km depth.
Published location
Where is 72 km WNW of Calingasta, 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.
-30.984000, -70.062000
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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
iscgemsup913580
Coordinates
-30.984, -70.062
Network
iscgemsup
Significance
732