QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/iscgem848290
USGS iscgem848290
10 Apr 1966, 17:36
21 km N of Illapel, Chile
A magnitude 6.1 mw earthquake at 59.9 km depth.
Published location
Where is 21 km N of Illapel, 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.
-31.444000, -71.138000
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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
iscgem848290
Coordinates
-31.444, -71.138
Network
iscgem
Significance
572