QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/iscgem913648
USGS iscgem913648
4 Sept 1917, 17:42
281 km WSW of Laojunmiao, China
A magnitude 6.1 mw earthquake at 15 km depth.
Published location
Where is 281 km WSW of Laojunmiao, 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.
39.150000, 94.584000
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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
iscgem913648
Coordinates
39.15, 94.584
Network
iscgem
Significance
578