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Evaluation of the national strong motion network in Greece: deployment, data-processing and site characterization

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Abstract

In this paper a brief introduction regarding the latest advancements of strong motion instrumentation programs in Greece since the first accelerograph was installed by NOA-IG is given. Analytical description of various utilized analog and digital accelerographic sensors is presented and the evolution of the different types of data processing techniques applied by the two research centers is given using recordings from both Institutes. The site characterization of the strong motion recording sites and the available information for those stations are presented as well. A final evaluation and correlation of the previous proposed configuration of the Hellenic accelerographic networks ITSAK and NOA-IG resulted from previous study (Theodoulidis et al. in Planning of strong motion network. pp 86–04, 1986) in regard to the new strong-motion installations within the framework of EPPO’s project is accomplished.

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Acknowledgments

Many people helped with their contribution in the development of the Hellenic Strong motion Network. Among those we wish to thank S. Zacharopoulos Civil. Eng. in charge of EPPO-ITSAK network, K. Konstantinidou IT, A. Marinos and N. Adam technicians, for their assistance in deploying and maintaining the strong motion network. The technical staff of EPPO—ITSAK and NOA-GI is greatly appreciated for their efforts to keep the national network in an operational status. I. Kalogeras is gratetful to Drs. N. Melis and C. Evangelidis (NOA-GI) for the productive discussions and their crucial contribution to incorporate the strong motion instruments within the operation of NOA-GI seismographic network. The researchers, Drs. V. Lekidis, Ch. Karakostas from EPPO-ITSAK and G. Stavrakakis from NOA-IG, for their important participation in the different phases of those projects are strongly acknowledged. We are profoundly indebted to Profs. B. Papazachos (AUTh-Greece), late D. Papastamatiou (NTUA-Greece), late I. Drakopoulos (KUA-Greece), S. Anagnostopoulos (TUP-Greece), late N. N. Ambraseys (ICST-UK) and Dr. D. Boore (USGS) for their significant contribution in the strong motion instrumentation programs in Greece. We would like to thank, Prof. J. Stewart (UCLA), Prof. N. Klimis (DUTH-Greece), Profs. G. Mylonakis and G. Athanasopoulos (TUPatras-Greece), Dr. R. Kayen (USGS) and Pr. S. Foti (Pol. Torino—Italy) for their valuable help in site classification of Greek accelerographic sites. Dr. D. Boore and the anonymous reviewer for their careful reading and constructive comments improving the manuscript are deeply acknowledged. The financial support from EPPO for funding the purchase of accelerographs is also gratefully acknowledged. This research has been co-financed by the European Union (European Social Fund—ESF) and Greek national funds through the Operational Program “Education and Lifelong Learning” of the National Strategic Reference Framework (NSRF)—Research Funding Program: Thales. Investing in knowledge society through the European Social Fund, THALIS—AUTH, 85330, by THALIS-UC 80198 and by the Black Sea project CN18316, MIS-ETC2614.

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Margaris, B., Kalogeras, I., Papaioannou, C. et al. Evaluation of the national strong motion network in Greece: deployment, data-processing and site characterization. Bull Earthquake Eng 12, 237–254 (2014). https://doi.org/10.1007/s10518-013-9580-y

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