QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/iscgem889446
USGS iscgem889446
20 Apr 1955, 03:12
73 km WNW of Ovalle, Chile
A magnitude 6.1 mw earthquake at 25 km depth.
Published location
Where is 73 km WNW of Ovalle, 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.
-30.400000, -71.933000
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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
iscgem889446
Coordinates
-30.4, -71.933
Network
iscgem
Significance
578