Seismogenetic fault characterization in the Pollino area.

Napolitano F., Gervasi A., La Rocca M., Galluzzo D., Guerra I., Scarpa R.

IV - Geofisica e fisica dell'ambiente
Aula 32C-1 - Giovedì 20 h 16:30 - 19:00
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We performend detailed analysis of earthquakes occurred at Mt. Pollino from November 2011 to April 2012 with the aim of a precise relative location of the hypocenters in order to investigate the seismogenetic fault responsible for the earthquake sequence. More than 10 clusters of events with extremely similar waveforms were identified among almost 3000 earthquakes located in two source volumes centered about 10 km apart from each other. The focal mechansims was computed for individual events and compared with the hypocenter distribution of cluster events showing a good agreement. A SW dipping normal fault is the source of clustered earthquakes.

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