QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp0001gg1
USGS usp0001gg1
16 Oct 1981, 04:25
135 km W of Valparaíso, Chile
A magnitude 7.2 ms earthquake at 33 km depth.
Published location
Where is 135 km W of Valparaíso, 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.
-33.134000, -73.074000
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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
usp0001gg1
Coordinates
-33.134, -73.074
Network
us
Significance
798