QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/iscgem911651
USGS iscgem911651
22 Sept 1923, 20:47
7 km SSE of K?h Sef?d, Iran
A magnitude 6.7 mw earthquake at 15 km depth.
Published location
Where is 7 km SSE of K?h Sef?d, Iran?
This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.
29.222000, 56.839000
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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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Use local emergency authorities and the live USGS event page. This historical evidence page is not an alert service.
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Catalog fields and provenance
Event ID
iscgem911651
Coordinates
29.222, 56.839
Network
iscgem
Significance
695