QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/iscgem909648
USGS iscgem909648
21 Nov 1927, 23:12
12 km S of Puerto Cisnes, Chile
A magnitude 7 mw earthquake at 15 km depth.
Published location
Where is 12 km S of Puerto Cisnes, 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.
-44.861000, -72.686000
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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
iscgem909648
Coordinates
-44.861, -72.686
Network
iscgem
Significance
762