QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp0000a7a
USGS usp0000a7a
13 Mar 1975, 15:26
1 km N of Coquimbo, Chile
A magnitude 6.9 ms earthquake at 4 km depth.
Published location
Where is 1 km N of Coquimbo, 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.
-29.941000, -71.337000
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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
usp0000a7a
Coordinates
-29.941, -71.337
Network
us
Significance
732