QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/nc72672610
USGS nc72672610
10 Aug 2016, 03:57
20 km NNE of Upper Lake, California
A magnitude 5.1 mw earthquake at 14.5 km depth.
Published location
Where is 20 km NNE of Upper Lake, California?
This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.
39.329333, -122.801833
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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
nc72672610
Coordinates
39.3293333, -122.8018333
Network
nc
Significance
859