QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp0002dm4
USGS usp0002dm4
9 Apr 1985, 02:56
59 km S of San Antonio, Chile
A magnitude 7.2 mw earthquake at 37.8 km depth.
Published location
Where is 59 km S of San Antonio, 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.
-34.131000, -71.618000
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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
usp0002dm4
Coordinates
-34.131, -71.618
Network
us
Significance
798