A magnitude 6.2 earthquake has struck central Italy, south of the city of Perugia, leaving at least 250 people dead and others trapped under rubble, Italian officials said. The US Geological Survey says the shock was also felt in Rome. The quake hit at 03:36 a.m. (01:36 GMT), 76 km (47 miles) southeast of the city, at the very shallow depth of 10km (six miles), the USGS said. The mayor of one town told Italian radio that "half the town is gone". In Rome, some buildings shook for 20 seconds, according to La Repubblica newspaper. A family of four had been found under rubble in the town of Accumoli, the town's mayor Stefano Petrucci told RAI TV. Meanwhile police said two people had died in the nearby village of Pescara del Tronto, RAI reported. There were also reports of serious damage in the town of Amatrice. "The roads in and out of town are cut off. Half the town is gone. There are people under the rubble... There's been a landslide and a bridge might collapse," mayor Sergio Perozzi