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Characteristics of Recent Aftershocks Sequences (2014, 2015, 2018) Derived from New Seismological and Geodetic Data on the Ionian Islands, Greece

Author

Listed:
  • Alexandra Moshou

    (Institute of Geodynamics, National Observatory of Athens, Lofos Nymphon, 11810 Athens, Greece)

  • Panagiotis Argyrakis

    (Institute of Geodynamics, National Observatory of Athens, Lofos Nymphon, 11810 Athens, Greece)

  • Antonios Konstantaras

    (Department of Electronic Engineering, Hellenic Mediterranean University, 3 Romanou Str., Chalepa, 73133 Chania, Crete, Greece)

  • Anna-Christina Daverona

    (Department of Surveying and Geoinformatics Engineers, Faculty of Engineering, Egaleo Park Campus, University of West Attica, Ag. Spyridonos Street, Aigaleo, 12243 Athens, Greece)

  • Nikos C. Sagias

    (Department Informatics and Telecommunications, Faculty of Economics and Technology, University of the Peloponnese, Akadimaikou G. K. Vlachou Street, GR-22131 Tripoli, Greece)

Abstract

In 2014–2018, four strong earthquakes occurred in the Ionian Sea, Greece. After these events, a rich aftershock sequence followed. More analytically, according to the manual solutions of the National Observatory of Athens, the first event occurred on 26 January 2014 in Cephalonia Island with magnitude M L = 5.8, followed by another in the same region on 3 February 2014 with magnitude M L = 5.7. The third event occurred on 17 November 2015, M L = 6.0 in Lefkas Island and the last on 25 October 2018, M L = 6.6 in Zakynthos Island. The first three of these earthquakes caused moderate structural damages, mainly in houses and produced particular unrest to the local population. This work determines a seismic moment tensor for both large and intermediate magnitude earthquakes (M > 4.0). Geodetic data from permanent GPS stations were analyzed to investigate the displacement due to the earthquakes.

Suggested Citation

  • Alexandra Moshou & Panagiotis Argyrakis & Antonios Konstantaras & Anna-Christina Daverona & Nikos C. Sagias, 2021. "Characteristics of Recent Aftershocks Sequences (2014, 2015, 2018) Derived from New Seismological and Geodetic Data on the Ionian Islands, Greece," Data, MDPI, vol. 6(2), pages 1-27, January.
    • Handle: RePEc:gam:jdataj:v:6:y:2021:i:2:p:8-:d:484032
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