QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/iscgem841046
USGS iscgem841046
28 Dec 1966, 08:18
9 km SSW of Taltal, Chile
A magnitude 7.7 mw earthquake at 20 km depth.
Published location
Where is 9 km SSW of Taltal, 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.
-25.487000, -70.531000
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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
iscgem841046
Coordinates
-25.487, -70.531
Network
iscgem
Significance
905