GNGTS 2024 - Atti del 42° Convegno Nazionale

Session 1.1 GNGTS 2024 source for both the 1933 and 1706 earthquakes (labelled GALLI19 in Fig. 1). These authors also documented possible surface ruptures that occurred during the 1933 earthquake related with the Caramanico fault, a 26 km-long structure bounding westward the Maiella Massif. Although this surface evidence has been atributed to a likely passive slip of the Caramanico fault (Galli and Pallone 2019) we decided to test it anyway for the sake of completeness (labelled CARAMANICO in Fig. 1). Figure 1. (a) Map showing the main tectonic structures of the study area (Galadini and Galli, 2000; Galli and Pallone, 2019) and the source models adopted for the simulatons. (1) Seismogenic source “ITIS027” Sulmona from DISS (DISS Working Group, 2021); (2) Maiella back-thrust from Galli and Pallone (2019) for the 1933 earthquake; (3) Maiella back- thrust calibrated for the 1706 (Mw 6.8) earthquake, and (4) Non-Linear normal fault geometry proposal. (b) part of CROP-11 line interpreted by Patacca et al. (2008): 1, Pliocene-Quaternary contnental deposits of intramontane basins; 2, Pliocene marine deposits conformably overlying the Apulia carbonates; 3, Western Marsica-Meta Unit; 4, Mount Genzana unit; 5, Mount Morrone-Porrara unit; 6, Upper Cretaceous-Pliocene Mount Queglia unit; 7, Molise units; 8, Lower Pliocene fysch of Maiella unit; 9, Mesozoic-Tertary carbonates of Maiella unit; 10, Mesozoic-Tertary carbonates of Apulia Platorm; 11, Paleozoic-Triassic deposits.