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

Data

Nikos C. Sagias¹  Antonios Konstantaras²  Anna-Christina Daverona³  Alexandra Moshou⁴  Panagiotis Argyrakis⁴ 

[1] Department Informatics and Telecommunications, Faculty of Economics and Technology, University of the Peloponnese, Akadimaikou G. K. Vlachou Street, GR-22131 Tripoli, Greece;Department of Electronic Engineering, Hellenic Mediterranean University, 3 Romanou Str., Chalepa, 73133 Chania, Crete, Greece;Department of Surveying and Geoinformatics Engineers, Faculty of Engineering, Egaleo Park Campus, University of West Attica, Ag. Spyridonos Street, Aigaleo, 12243 Athens, Greece;Institute of Geodynamics, National Observatory of Athens, Lofos Nymphon, 11810 Athens, Greece;

关键词: earthquake;    source observations;    seismological data;    moment tensor inversion;    seismicity;    Ionian Sea;   

DOI  :  10.3390/data6020008

来源: DOAJ

【 摘 要 】

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.

【 授权许可】

Unknown