QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/uw10313838
USGS uw10313838
21 Sept 1993, 06:45
27 km WNW of Klamath Falls, Oregon
A magnitude 6 md earthquake at 8.5 km depth.
Published location
Where is 27 km WNW of Klamath Falls, 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.
42.357500, -122.058333
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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
uw10313838
Coordinates
42.3575, -122.0583333
Network
uw
Significance
554