QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/iscgem907027
USGS iscgem907027
21 Sept 1931, 22:36
164 km SW of Pacasmayo, Peru
A magnitude 6 mw earthquake at 10 km depth.
Published location
Where is 164 km SW of Pacasmayo, 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.
-8.289000, -80.772000
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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
iscgem907027
Coordinates
-8.289, -80.772
Network
iscgem
Significance
561