Earth-prints: The 1998-1999 Pollino (Southern Apennines, Italy) seismic crisis: tomography of a sequence

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Please use this identifier to cite or link to this item: 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.:	48 (6)
URI:	http://hdl.handle.net/2122/1128
Keywords:	seismic sequences stress field evolution Southern Apennines Calabrian Arc Pollino Chain
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:	04.06.07. Tomography and anisotropy 04.07.05. Stress Annals of Geophysics