QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/iscgemsup911903
USGS iscgemsup911903
21 May 1922, 16:40
187 km NW of Constitución, Chile
A magnitude 6.1 mw earthquake at 15 km depth.
Published location
Where is 187 km NW of Constitución, Chile?
This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.
-34.101000, -73.819000
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
iscgemsup911903
Coordinates
-34.101, -73.819
Network
iscgemsup
Significance
572