The impact of a strong earthquake onto an urban community can be reduced taking timely actions managed by the authority in charge for the civil protection. In this view, it is of fundamental importance that the authority in charge for the seismic surveillance is provided with the appropriate monitoring tools able to give the most useful information for the best emergency management in the immediate post-­event. Today this goal can be reached realizing urban­-scale, real-­time seismic monitoring networks (Osservatori Sismici Urbani, OSU, in Italian). The real-­time OSU networks are able to promptly provide information to the emergency authority about the ground shaking at each node after an earthquake. Maps showing the spatial distribution of the ground shaking could help in the...