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http://hdl.handle.net/2122/1128| Authors: | Guerra, I.* Harabaglia, P.* Gervasi, A.* Rosa, A. B.* |
Title: | The 1998-1999 Pollino (Southern Apennines, Italy) seismic crisis: tomography of a sequence | Issue Date: | Dec-2005 | Series/Report no.: | 6/48 (2005) | URI: | http://hdl.handle.net/2122/1128 | Keywords: | seismic sequences stress field evolution Southern Apennines Calabrian Arc Pollino Chain |
Subject Classification: | 04. Solid Earth::04.06. Seismology::04.06.07. Tomography and anisotropy 04. Solid Earth::04.07. Tectonophysics::04.07.05. Stress |
Abstract: | In 1998-1999 a seismic sequence occurred in the Southern Apennines, after the moderate size (mb=5.0) 9th September 1998 Pollino earthquake. It lasted about 14 months and was clearly localized to the sole north-west area of the main shock epicenter. Its peculiarity consisted in sudden changes of activity from a series of normal faults with Apenninic (NW-SE) trend and transfer, presumably strike slip, faults with Antiapenninic (NE-SW) and E-W trend. The complexity of the behavior and the different orientations of the activated systems suggest that the area acts as a hinge between the NW-SE trending Southern Apennines and the locally N-S trending Calabrian Arc. |
| Appears in Collections: | Annals of Geophysics |
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