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Elastic fault interactions and earthquake rupture along the southern hellenic subduction plate interface zone in Greece

Saltogianni Vasso, Mouslopoulou, Vasiliki, Oncken, Onno, 1955-, Nicol Andrew, Gianniou, Michail 1970-, Mertikas Stylianos

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URIhttp://purl.tuc.gr/dl/dias/27749DF2-CCFF-4B78-BB74-BF47E5A7A18F-
Αναγνωριστικόhttps://doi.org/10.1029/2019GL086604-
Αναγνωριστικόhttps://agupubs.onlinelibrary.wiley.com/doi/full/10.1029/2019GL086604-
Γλώσσαen-
Μέγεθος10 pagesen
Μέγεθος3,63 megabytesen
ΤίτλοςElastic fault interactions and earthquake rupture along the southern hellenic subduction plate interface zone in Greeceen
ΔημιουργόςSaltogianni Vassoen
ΔημιουργόςMouslopoulou, Vasilikien
ΔημιουργόςOncken, Onno, 1955-en
ΔημιουργόςNicol Andrewen
ΔημιουργόςGianniou, Michail 1970-en
ΔημιουργόςMertikas Stylianosen
ΔημιουργόςΜερτικας Στυλιανοςel
ΕκδότηςAmerican Geophysical Unionen
ΠερίληψηThe importance of splay-thrust faults in subduction seismogenesis is increasingly acknowledged; however, their elastic interaction with the plate interface remains unclear. Here, we use GPS velocities, constrained by millennial fault slip rates, to study elastic fault-interactions between the plate interface and its upper-plate splay-thrust faults from the southern Hellenic Subduction System (HSS). We find that, despite its largely aseismic character, the HSS plate interface zone is kinematically segmented, with slip rate deficits locally reaching ~85% and ~45% of the plate convergence rate on the western and eastern segments, respectively, and on structures different from those that ruptured historically. Although western Crete has been more active seismically during late Holocene, we find that the eastern HSS has higher seismic potential for large-magnitude (M > 6) earthquakes and its interface zone is closer to failure. Elastic fault interactions are responsible for both significant intersegment variability in strain accumulation and uniformity in earthquake rupture segmentation along the HSS over millennial timescales.en
ΤύποςPeer-Reviewed Journal Publicationen
ΤύποςΔημοσίευση σε Περιοδικό με Κριτέςel
Άδεια Χρήσηςhttp://creativecommons.org/licenses/by-nc-nd/4.0/en
Ημερομηνία2021-07-06-
Ημερομηνία Δημοσίευσης2020-
Θεματική ΚατηγορίαSubduction seismogenesisen
Θεματική ΚατηγορίαGlobal Positioning System (GPS)en
Θεματική ΚατηγορίαLocking degreeen
Θεματική ΚατηγορίαFault interactionsen
Θεματική ΚατηγορίαEarthquake rupture segmentationen
Βιβλιογραφική ΑναφοράV. Saltogianni, V. Mouslopoulou, O. Oncken, A. Nicol, M. Gianniou, and S. Mertikas, “Elastic fault interactions and earthquake rupture along the southern hellenic subduction plate interface zone in Greece”, Geophys. Res. Lett., vol. 47, no. 13, Jul. 2020. doi: 10.1029/2019GL086604en

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