QQuakeFacts
USGS iscgem848290

10 Apr 1966, 17:36

21 km N of Illapel, Chile

A magnitude 6.1 mw earthquake at 59.9 km depth.

Depth59.9 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated19 December 2025Latest timestamp stored in this record

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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Catalog fields and provenance
Event ID
iscgem848290
Coordinates
-31.444, -71.138
Network
iscgem
Significance
572