AUTHOR=Perea Hector , Martínez-Loriente Sara , Maloney Jillian , Maesano Francesco Emanuele , Vannucchi Paola TITLE=Editorial: Submarine Active Faults: From Regional Observations to Seismic Hazard Characterization JOURNAL=Frontiers in Earth Science VOLUME=9 YEAR=2021 URL=https://www.frontiersin.org/journals/earth-science/articles/10.3389/feart.2021.809205 DOI=10.3389/feart.2021.809205 ISSN=2296-6463