QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/iscgem17293645
USGS iscgem17293645
19 Apr 1963, 08:35
Southern Qinghai, China
A magnitude 6.7 mw earthquake at 20 km depth.
Published location
Where is Southern Qinghai, 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.
35.613000, 96.993000
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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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Nearby events with a similar magnitude
Catalog fields and provenance
Event ID
iscgem17293645
Coordinates
35.613, 96.993
Network
iscgem
Significance
691