The May 2012 Pianura Padana Emiliana seismic sequence: INGV strong-motion data website

Marco Massa, Sara Lovati, Rodolfo Puglia, Gabriele Ameri, Dario Sudati, Emiliano Russo, Gianlorenzo Franceschina, Lucia Luzi, Francesca Pacor, Paolo Augliera


On May 20th 2012, at 02:03:52 UTC, a ML 5.9 (Mw 6.0) earthquake struck northern Italy ( The epicentre was localized at 44.89˚ N and 11.23˚ E, in an area among the cities of Ferrara, Modena and Mantova. The event occurred at a depth of about 6.3 km, and was characterized by a reverse focal mechanism ( From May 20th, thousand of earthquakes, the strongest of which with a ML 5.8 (May 29th, 07:00:03 UTC), occurred in the same area ( note presents a new web site, (Figure 1) that includes about 2000 three-component strong-motion recordings of the events with 4.0 ≤ ML ≤ 5.9 occurred in the central part of the Pianura Padana Emiliana (northern Italy) from May 20th to June 12th. The data come from all INGV strong-motion stations installed in northern Italy (i.e. strong-motion stations of the National Seismic Network, RSN [Amato and Mele 2008]; Strong-Motion Network of Northern Italy, RAIS, [Augliera et al. 2011]) and selected with a minimum latitude of 43.5˚ N. The earthquake locations reported in the web site come from the National Earthquake Centre of INGV (


ISMD; DYNA; Strong-motion data processing; Data archive

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Published by INGV, Istituto Nazionale di Geofisica e Vulcanologia - ISSN: 2037-416X