Natural Hazards and Earth System Sciences
Natural Hazards and Earth System Sciences
NHESS
Articles | Volume 26, issue 1
Articles | Volume 26, issue 1
https://doi.org/10.5194/nhess-26-41-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
Special issue:
https://doi.org/10.5194/nhess-26-41-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 26, issue 1
Research article
 | 
13 Jan 2026
Research article |  | 13 Jan 2026

The quest for reference stations at the National Observatory of Athens, Greece

Olga-Joan Ktenidou, Erion-Vasilis Pikoulis, Antonia Papageorgiou, Fevronia Gkika, Spyros Liakopoulos, Ziya Cekinmez, Panagiotis Savvaidis, Kalliopi-Elli Fragouli, Fanis Chalaris, and Christos P. Evangelidis

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Short summary
Greek seismic data are invaluable to global databases. Recordings from stations on rock (i.e. not soft deposits) are needed in seismology in order to define reference ground conditions and ground motions, which serve as the basis for all hazard calculations. However, very little knowledge exists on how rock stations in Greece behave. This is the first time the network of the National Observatory is studied systematically and multiparametrically to reveal the most adequate reference stations.
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Harmonized seismic hazard and risk assessment for Europe
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