QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/iscgemsup899932
USGS iscgemsup899932
18 Jul 1943, 09:55
74 km SSW of Tocopilla, Chile
A magnitude 6 mw earthquake at 34.4 km depth.
Published location
Where is 74 km SSW of Tocopilla, Chile?
This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.
-22.699000, -70.512000
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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
iscgemsup899932
Coordinates
-22.699, -70.512
Network
iscgemsup
Significance
561