A magnitude 4.5 earthquake near Ravenna was felt throughout northern and central Italy. The epicenter of the quake was at a depth of 25.6 kilometers under the seabed, said the Italian Institute of Geophysics and Volcanology. No evidence of damage or casualties. During the night between 02.00 and 06.00 hours in the valley of the Po had three weaker tremors with magnitudes between 2.2 and 2.9. Earthquakes have killed over 20 people and left 14,000 homeless.