QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/iscgem912378
USGS iscgem912378
1 Dec 1921, 10:49
20 km WNW of Zhicheng, China
A magnitude 6.6 mw earthquake at 15 km depth.
Published location
Where is 20 km WNW of Zhicheng, 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.
31.082000, 119.711000
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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.
Need a current safety answer?
Use local emergency authorities and the live USGS event page. This historical evidence page is not an alert service.
Catalog fields and provenance
Event ID
iscgem912378
Coordinates
31.082, 119.711
Network
iscgem
Significance
674