QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/iscgem898058
USGS iscgem898058
6 Oct 1947, 20:55
4 km WNW of Koróni, Greece
A magnitude 7.3 mw earthquake at 15 km depth.
Published location
Where is 4 km WNW of Koróni, Greece?
This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.
36.808000, 21.916000
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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
iscgem898058
Coordinates
36.808, 21.916
Network
iscgem
Significance
820