QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/iscgem893286
USGS iscgem893286
17 Aug 1952, 17:02
101 km SSW of Nagqu, China
A magnitude 7.4 mw earthquake at 25 km depth.
Published location
Where is 101 km SSW 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.
30.648000, 91.601000
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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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Catalog fields and provenance
Event ID
iscgem893286
Coordinates
30.648, 91.601
Network
iscgem
Significance
842