The February 2014 Cephalonia Earthquake (Greece): 3D Deformation Field and Source Modeling from Multiple SAR Techniques

Rupture process of the 2014 Cephalonia, Greece, earthquake doublet (Mw6) as inferred from regional and local seismic data

“…Initial slip inversions considering various fault planes and mechanisms within the MT uncertainty limits did not provide robust space-time slip distributions. Thus, we adopted a fault geometry constrained by DInSAR data (Boncori et al, 2015). The authors showed in their analysis (in their Fig.…”

“…No loss of life was reported and the constructions performed remarkably well (GEER/ EERI/ATC report, 2014). The 2014 sequence attracted the attention of the scientific community and a number of publications are already available (Benekos et al, 2015;Boncori et al, 2015;Karakostas et al, 2014;Karastathis et al, 2015;Papadopoulos et al, 2014;Sakkas and Lagios, 2015;Valkaniotis et al, 2014). Despite the fact that the sequence was well recorded by the regional networks in Greece, there are still unresolved issues.…”

“…For example, in the west the closest seismic station is in Italy. As a result, in the related publications (Boncori et al, 2015;Karakostas et al, 2014;Papadopoulos et al, 2014), the location, the fault orientation and its dip polarity of the two strong events show considerable variability, reflecting the difficulties in the data analysis.…”

“…The abundant surface cracks with cm-size offsets in the northern part of the Paliki Peninsula,~38.29°N, were interpreted as due to close proximity of the ruptured fault to the earth surface (with unclear relation to either of the events). Boncori et al (2015) inferred static ground displacements related to the event of 3 February from InSAR images. Their results were better modeled by a two-segment fault for this event.…”

Geoenviromental Effects of the M=6.4 17 November 2015 Earthquake on South Lefkada, Ionian Sea, Greece

“…In the following pages, a detailed map and brief description of the earthquake-induced failures is presented while more information will be published after data processing. 523 fault, in contrast to the 2014 events that occurred on dextral strike-slip faults onshore Cephalonia (Valkaniotis et al, 2014;Boncori et al, 2015; see Figure 1 for fault surface projection). 1038 revised (NOA) aftershock solutions from the period November 17-December 17, 2015 are plotted in Figures 1 (red dots) and 2 (classified for magnitude and depth).…”