The 2011–2014 Pollino Seismic Swarm: Complex Fault Systems Imaged by 1D Refined Location and Shear Wave Splitting Analysis at the Apennines–Calabrian Arc Boundary
- Pastori, Marina
- Margheriti, Lucia
- De Gori, Pasquale
- Govoni, Aladino
- Lucente, Francesco Pio
- Moretti, Milena
- Marchetti, Alessandro
- Di Giovambattista, Rita
- Anselmi, Mario
- De Luca, Paolo
- Nardi, Anna
- Agostinetti, Nicola Piana
- Latorre, Diana
- Piccinini, Davide
- Passarelli, Luigi
- Chiarabba, Claudio
DOIAbstract
In the years between 2011 and 2014, at the edge between the Apennines collapsing chain and the subducting Calabrian arc, intense seismic swarms occurred in the Pollino mountain belt. In this key region, <2.5 mm/yr of NE-trending extension is accommodated on an intricate network of normal faults, having almost the same direction as the mountain belt. The long-lasting seismic release consisted of different swarm episodes, where the strongest event coinciding with a ML 5.0 shock occurred in October 2012. This latter comes after a ML four nucleated in May 2012 and followed by aseismic slip episodes. In this study, we present accurate relocations for ∼6,000 earthquakes and shear-wave splitting analysis for ∼22,600 event-station pairs. The seismi...
Add to ORKG