The seismic classification before 2018
Seismic Classification of Emilia-Romagna Region, Decree of PCM n. 3274 / 2003
Zone 1: High seismicity (PGA>0,25g)
Zone 2: medium seismicity (PGA between 0,15 - 0,25g)
Zone 3: low seismicity (PGA fra 0,05 - 0,15g)
Zone 4 : very low seismicity (PGA < 0,05g)