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http://hdl.handle.net/2122/4835| Authors: | Fracassi, U.* Milano, G.* Di Giovambattista, R.* Ventura, G.* |
Title: | Imaging the polarity switch between large seismogenic normal faults in the southern Apennines (Italy) | Issue Date: | 2008 | Keywords: | seismogenic sources transfer zone seismic sequence southern Italy |
Subject Classification: | 04. Solid Earth::04.04. Geology::04.04.09. Structural geology 04. Solid Earth::04.06. Seismology::04.06.02. Earthquake interactions and probability 04. Solid Earth::04.07. Tectonophysics::04.07.07. Tectonics |
Abstract: | The transition between the central and southern Apennines (Italy) is marked, among other regional features, by a dramatic shift (from SW-dipping to NE-dipping) of the verging of the large (25+ km long) seismogenic normal faults, responsible for M>6 pre-historical and historical earthquakes. Also, in the exact area where such accommodation occurs, in 2005 a low magnitude (M<3) seismic sequence took place along a short stretch of a long-lived transverse structure Running across this transition zone. We believe this sequence sheds light on the geometry and the role of the interaction between these seismogenic domains. |
| Appears in Collections: | Manuscripts |
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| File | Description | Size | Format | |
|---|---|---|---|---|
| Fracassi_Oviedo_resubm_dec08.pdf | 834.02 kB | Adobe PDF | View/Open |
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