QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp0000888
USGS usp0000888
3 Oct 1974, 15:21
77 km WSW of Callao, Peru
A magnitude 7.6 ms earthquake at 13 km depth.
Published location
Where is 77 km WSW of Callao, 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.
-12.265000, -77.795000
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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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Catalog fields and provenance
Event ID
usp0000888
Coordinates
-12.265, -77.795
Network
us
Significance
889