QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/iscgem912481
USGS iscgem912481
2 May 1920, 09:28
Southern Qinghai, China
A magnitude 6.3 mw earthquake at 15 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.
35.920000, 90.442000
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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
iscgem912481
Coordinates
35.92, 90.442
Network
iscgem
Significance
605