QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/nc21231051
USGS nc21231051
17 Jun 2002, 17:55
29 km WNW of Fields Landing, California
A magnitude 5.2 mw earthquake at 17.2 km depth.
Published location
Where is 29 km WNW of Fields Landing, 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.
40.809833, -124.552000
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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
nc21231051
Coordinates
40.8098333, -124.552
Network
nc
Significance
885