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DOI | 10.1029/2021GL092918 |
Fault Planes, Fault Zone Structure and Detachment Fragmentation Resolved with High-precision Aftershock Locations of the 2016-2017 Central Italy Sequence | |
Felix Waldhauser; Maddalena Michele; Lauro Chiaraluce; Raffele Di Stefano; David P. Schaff | |
2021-07-26 | |
发表期刊 | Geophysical Research Letters |
出版年 | 2021 |
英文摘要 | Three devastating earthquakes of MW ≥ 5.9 activated a complex system of high-angle normal, antithetic, and sub-horizontal detachment faults during the 2016-2017 central Italy seismic sequence. Waveform cross-correlation based double-difference location of nearly 400,000 aftershocks illuminate complex, fine-scale structures of interacting fault zones. The Mt. Vettore – Mt. Bove (VB) normal fault exhibits wide and complex damage zones, including a system of bookshelf faults that intersects the detachment zone. In the Laga domain, a comparatively narrow, shallow dipping segment of the deep Mt. Gorzano fault progressively ruptures through the detachment zone in four subsequent MW ∼5.4 events. Reconstructed fault planes show that the detachment zone is fragmented in four sub-horizontal, partly overlaying shear planes that correlated with the extent of the mainshock ruptures. We find a new, deep reaching seismic barrier that coincides with a bend in the VB fault and may play a role in controlling rupture evolution. |
领域 | 气候变化 |
URL | 查看原文 |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://119.78.100.173/C666/handle/2XK7JSWQ/335430 |
专题 | 气候变化 |
推荐引用方式 GB/T 7714 | Felix Waldhauser,Maddalena Michele,Lauro Chiaraluce,et al. Fault Planes, Fault Zone Structure and Detachment Fragmentation Resolved with High-precision Aftershock Locations of the 2016-2017 Central Italy Sequence[J]. Geophysical Research Letters,2021. |
APA | Felix Waldhauser,Maddalena Michele,Lauro Chiaraluce,Raffele Di Stefano,&David P. Schaff.(2021).Fault Planes, Fault Zone Structure and Detachment Fragmentation Resolved with High-precision Aftershock Locations of the 2016-2017 Central Italy Sequence.Geophysical Research Letters. |
MLA | Felix Waldhauser,et al."Fault Planes, Fault Zone Structure and Detachment Fragmentation Resolved with High-precision Aftershock Locations of the 2016-2017 Central Italy Sequence".Geophysical Research Letters (2021). |
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