QQuakeFacts
QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/us6000gdc8
USGS us6000gdc8

18 Dec 2021, 05:16

23 km ESE of Kýthira, Greece

A magnitude 5 mww earthquake at 63.5 km depth.

Depth63.5 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated22 December 2025Latest timestamp stored in this record

Published location

Where is 23 km ESE of Kýthira, 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.

36.091200, 23.243700

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Map data © OpenStreetMap contributors

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
us6000gdc8
Coordinates
36.0912, 23.2437
Network
us
Significance
390