QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/us7000fd4k
USGS us7000fd4k
21 Sept 2021, 14:14
73 km W of Talcahuano, Chile
A magnitude 6.4 mww earthquake at 18.8 km depth.
Published location
Where is 73 km W of Talcahuano, 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.
-36.777100, -73.932900
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
us7000fd4k
Coordinates
-36.7771, -73.9329
Network
us
Significance
683