QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/iscgem888445
USGS iscgem888445
9 Jul 1956, 04:11
19 km SSE of Amorgós, Greece
A magnitude 7.7 mw earthquake at 20 km depth.
Published location
Where is 19 km SSE of Amorgós, 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.
36.664000, 25.957000
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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
iscgem888445
Coordinates
36.664, 25.957
Network
iscgem
Significance
912