Thirty-one sniffer dogs have been brought in to help rescue workers digging through the rubble in quake-hit L'Aquila, civil protection officials said on Monday.
More than 1,600 firefighters and 677 vehicles have been rushed to the central city.
Relief workers said they had set up three tent camps at L'Aquila, Barisciano and Bazzano and had arranged 4,320 beds for survivors of the quake.