Academic Journal
Transtension at the Northern Termination of the Alfeo-Etna Fault System (Western Ionian Sea, Italy): Seismotectonic Implications and Relation with Mt. Etna Volcanism
| العنوان: | Transtension at the Northern Termination of the Alfeo-Etna Fault System (Western Ionian Sea, Italy): Seismotectonic Implications and Relation with Mt. Etna Volcanism |
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| المؤلفون: | Gambino, Salvatore, Barreca, Giovanni, Bruno, Valentina, De Guidi, Giorgio, Ferlito, Carmelo, Gross, Felix, Mattia, Mario, Scarfì, Luciano, Monaco, Carmelo |
| المساهمون: | Dipartimento di Scienze Biologiche Geologiche e Ambientali, Università di Catania, 95129 Catania, Italy, Istituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione OE, Catania, Italia, Institute of Geosciences, Kiel University, 24148 Kiel, Germany |
| بيانات النشر: | MDPI |
| سنة النشر: | 2022 |
| المجموعة: | Earth-Prints (Istituto Nazionale di Geofisica e Vulcanologia) |
| مصطلحات موضوعية: | Ionian Sea, Mt. Etna, seismic reflection data, GNSS data, tectonic-driven volcanism, 04.08. Volcanology |
| الوصف: | Offshore data in the western Ionian Sea indicate that the NW–SE-trending dextral shear zone of the Alfeo–Etna Fault System turns to the N–S direction near the Ionian coastline, where the extensional Timpe Fault System is located. Morpho-structural data show that NW–SE-trending right-lateral strikeslip faults connect the Timpe Fault System with the upper slope of the volcano, where the eruptive activity mainly occurs along the N–S to NE–SW-trending fissures. Fault systems are related to the ~E–Wtrending extension and they are seismically active having given rise to shallow and low-moderate magnitude earthquakes in the last 150 years. As a whole, morpho-structural, geodetic and seismological data, seismic profiles and bathymetric maps suggest that similar geometric and kinematic features characterize the shear zone both on the eastern flank of the volcano and in the Ionian offshore. The Alfeo– Etna Fault System probably represents a major kinematic boundary in the western Ionian Sea associated with the Africa–Europe plate convergence since it accommodates, by right-lateral kinematics, the differential motion of adjacent western Ionian compartments. Along this major tectonic alignment, crustal structures such as releasing bends, pull-apart basins and extensional horsetails occur both offshore and on-land, where they probably represent the pathway for magma uprising from depth ; This research was funded by the Catania University PIA.CE.RI. Project (linea 2) “Interaction between volcanic activity and active tectonic processes in the Mt. Etna area (InvultEtna). The research has moreover benefited from funding provided by the agreement between Istituto Nazionale di Geofisica e Vulcanologia (INGV) and the Italian Presidenza del Consiglio dei Ministri, Dipartimento della Protezione Civile ; Published ; 128 ; 2T. Deformazione crostale attiva ; JCR Journal |
| نوع الوثيقة: | article in journal/newspaper |
| وصف الملف: | application/pdf |
| اللغة: | English |
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| DOI: | 10.3390/geosciences12030128 |
| الاتاحة: | https://www.earth-prints.org/handle/2122/16071 https://doi.org/10.3390/geosciences12030128 |
| Rights: | CC0 1.0 Universal ; http://creativecommons.org/publicdomain/zero/1.0/ |
| رقم الانضمام: | edsbas.BB3F80EE |
| قاعدة البيانات: | BASE |
| DOI: | 10.3390/geosciences12030128 |
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