Hipólito, Ana, José Madeira, Rita Carmo, and João Luís Gaspar. 2014. “Neotectonics of Graciosa Island (Azores): A Contribution to Seismic Hazard Assessment of a Volcanic Area in a Complex Geodynamic Setting”. Annals of Geophysics 56 (6). https://doi.org/10.4401/ag-6222.