QuakeFactsEvidence report · prepared 3 September 2026https://quakes99.com/entity/usp000by28
USGS usp000by28
24 May 2003, 20:32
128 km NNE of Nagqu, China
A magnitude 5.1 mwc earthquake at 49.2 km depth.
Published location
Where is 128 km NNE of Nagqu, China?
This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.
32.609000, 92.337000
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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
usp000by28
Coordinates
32.609, 92.337
Network
us
Significance
400