ITalian ACcelerometric Archive (ITACA), version 3.1

ITACA is the ITalian ACcelerometric Archive of waveforms recorded by the National Accelerometric Network (RAN, Rete Accelerometrica Nazionale), operated by the Italian Civil Protection Department - Presidency of the Council of Ministers (DPC), the National Seismic Network (RSN, Rete Sismica Nazionale), operated by the Istituto Nazionale di Geofisica e Vulcanologia (INGV), and regional and international networks operated by various providers. ITACA 3.1 contains more than 45,000 waveforms of 1,946 seismic events with magnitude greater than 3.0 occurred in the time frame 1972-2019 and recorded by about 1,450 recording stations, including about 30,000 waveforms manually processed by specialists. ITACA runs on software based upon open source projects: PostgreSQL (database system), Python (database management and user authentication), and AngularJS (website design). The ITACA3.1 database enables the association of multiple information related to the same object; for instance, a recording ...