QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp0000a9y
USGS usp0000a9y
18 Mar 1975, 18:21
76 km NNW of Barranca, Peru
A magnitude 6.2 mb earthquake at 98 km depth.
Published location
Where is 76 km NNW of Barranca, Peru?
This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.
-4.231000, -77.015000
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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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Nearby events with a similar magnitude
Catalog fields and provenance
Event ID
usp0000a9y
Coordinates
-4.231, -77.015
Network
us
Significance
591