Frontiers in Earth Science, Vol 9 (2021) Frontiers in Earth Science, 9(April):618293, 1-17. Frontiers Media Pastori, M, Margheriti, L, De Gori, P, Govoni, A, Lucente, F P, Moretti, M, Marchetti, A, Di Giovambattista, R, Anselmi, M, De Luca, P, Nardi, A, Agostinetti, N P, Latorre, D, Piccinini, D, Passarelli, L & Chiarabba, C 2021, ' 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 ', Frontiers in Earth Science, vol. 9, no. April, 618293, pp. 1-17 . https://doi.org/10.3389/feart.2021.618293