QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/iscgem911801
USGS iscgem911801
17 Jan 1922, 03:50
143 km ESE of San Antonio del Estrecho, Peru
A magnitude 7.9 mw earthquake at 475 km depth.
Published location
Where is 143 km ESE of San Antonio del Estrecho, 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.
-2.853000, -71.438000
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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
iscgem911801
Coordinates
-2.853, -71.438
Network
iscgem
Significance
960