The National Institute of Geophysics and Volcanology authorizes the use of data exclusively for scientific and educational purposes as long as users are committed to cite the collection as follows:

Marco Cattaneo, Enrico Caffagni, Simona Carannante, Ezio D'Alema, Massimo Frapicini, Chiara Ladina, Simone Marzorati e Giancarlo Monachesi, 2014. A catalogue of non-tectonic earthquakes in Central-Eastern Italy. Istituto Nazionale di Geofisica e Vulcanologia. Version 1.0. On line, Ancona, Accessed . Aivalable from Internet http://an.ingvan/NTSEQS/ntseqs.html