QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp000480r
USGS usp000480r
17 Apr 1990, 02:59
93 km W of Kashgar, China
A magnitude 6 mw earthquake at 33 km depth.
Published location
Where is 93 km W of Kashgar, 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.
39.436000, 74.900000
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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
usp000480r
Coordinates
39.436, 74.9
Network
us
Significance
554