QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/nc73887046
USGS nc73887046
12 May 2023, 11:18
4km NW of Canyondam, CA
A magnitude 5.2 mw earthquake at 6.1 km depth.
Published location
Where is 4km NW of Canyondam, CA?
This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.
40.196000, -121.099833
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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
nc73887046
Coordinates
40.196, -121.0998333
Network
nc
Significance
1030