QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/iscgem893297
USGS iscgem893297
20 Aug 1952, 16:25
213 km W of Port Orford, Oregon
A magnitude 6.4 mw earthquake at 15 km depth.
Published location
Where is 213 km W of Port Orford, Oregon?
This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.
42.874000, -127.096000
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
iscgem893297
Coordinates
42.874, -127.096
Network
iscgem
Significance
638