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DOI: 10.1002/2016GL070978
论文题名:
Crustal structure and deformation across a mature slab tear zone: the case of southern Tyrrhenian subduction (Italy)
作者: Bianchi I.; Lucente F.P.; Di Bona M.; Govoni A.; Piana Agostinetti N.
刊名: Geophysical Research Letters
ISSN: 0094-8294
EISSN: 1944-8025
出版年: 2016
卷: 43, 期:24
起始页码: 12380
结束页码: 12388
语种: 英语
英文关键词: anisotropy ; body waves ; Ionian slab ; Messina Strait ; receiver function ; velocity models
Scopus关键词: Anisotropy ; Deformation ; Body waves ; Ionian slab ; Messina Strait ; Receiver functions ; Velocity model ; Structural geology
英文摘要: We compute S velocity profiles of the crust across the Messina Strait (Italy), the tear zone at the southern end of the Ionian subduction zone. Separating Sicily from Calabria, the Messina Strait hosted some of the strongest earthquakes to ever occur in Italy. Here the motion of the Ionian slab with respect to Sicily creates a complex tectonic setting characterized by lithospheric tearing. We show velocity models of the crust, computed from teleseismic receiver function inversion, outlining the differences between Sicily and Calabria. Strong deformation across the Messina Strait between 10–15 and 30 km depth is expressed by strong anisotropy (up to 10%), developed in a ductile shear zone of the crust. The top of these ductile weaker layers could limit the depth extent of future ruptures. ©2016. American Geophysical Union. All Rights Reserved.
URL: https://www.scopus.com/inward/record.uri?eid=2-s2.0-85007371149&doi=10.1002%2f2016GL070978&partnerID=40&md5=ba91968d133fabc38597dfc915a7644f
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/9257
Appears in Collections:科学计划与规划
气候变化与战略

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作者单位: Institut für Meteorologie und Geophysik, Universität Wien, Vienna, Austria

Recommended Citation:
Bianchi I.,Lucente F.P.,Di Bona M.,et al. Crustal structure and deformation across a mature slab tear zone: the case of southern Tyrrhenian subduction (Italy)[J]. Geophysical Research Letters,2016-01-01,43(24).
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