QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/iscgem888780
USGS iscgem888780
12 Oct 1956, 02:37
33 km SSW of San Juan, Peru
A magnitude 6.1 mw earthquake at 35 km depth.
Published location
Where is 33 km SSW of San Juan, 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.
-15.653000, -75.245000
Open the interactive map ↗Map data © OpenStreetMap contributors
What the numbers mean
Magnitude measures event size; depth locates the source below the surface. Neither value alone establishes local damage or personal risk.
Need a current safety answer?
Use local emergency authorities and the live USGS event page. This historical evidence page is not an alert service.
Continue exploring
Nearby events with a similar magnitude
Catalog fields and provenance
Event ID
iscgem888780
Coordinates
-15.653, -75.245
Network
iscgem
Significance
578