Improving performance of seismic networks in the Montefeltro region: historical seismographs and current local networkStefano Santini, Giovanni Battista Cimini, Alessandro Marchetti, Antonella Megna and Nicola Mauro PagliucaEPJ H, 50 1 (2025) 22DOI: https://doi.org/10.1140/epjh/s13129-025-00112-y