Central Italy was struck by some strong earthquakes early Wednesday. The first, 6.2-magnitude earthquake struck at 3:36 a.m. near the town of Accumuli, in the province of Rieti. It was followed by several powerful aftershocks. In Rome, some buildings shook for 20 seconds. Fabrizio Curcio the director of Italy’s Civil Protection Department said that the earthquake had been “severe” and that the national emergency procedures had been activated.