The 1998-1999 Pollino (Southern Apennines, Italy) seismic crisis: tomography of a sequence
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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.
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.
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How to Cite
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Guerra, I.; Harabaglia, P.; Gervasi, A.; Rosa, A. B. The 1998-1999 Pollino (Southern Apennines, Italy) Seismic Crisis: Tomography of a Sequence. Ann. Geophys. 2005, 48 (6). https://doi.org/10.4401/ag-3249.