Italy quake

A volunteer ropes off the area surrounding a collapsed building in Finale Emilia, northern Italy after a quake hit northern Italy early Sunday, May 20, 2012. One of the strongest earthquakes to shake northern Italy rattled the region around Bologna early Sunday, a magnitude 6.0 temblor that killed at least four people, toppled buildings and sent residents running into the streets, emergency services and news reports said. (AP Photo/Marco Vasini)

Debris of a collapsed church block a road in Finale Emilia, some 60 kilometers east of Bologna in northern Italy after the region was hit a quake early Sunday, May 20, 2012. One of the strongest earthquakes to shake northern Italy rattled the region around Bologna early Sunday, a magnitude 6.0 temblor that killed at least four people, toppled buildings and sent residents running into the streets, emergency services and news reports said.(AP Photo/Marco Vasini)

A civil protection volunteer walks past the damaged town hall building in St' Agostino, Italy, Sunday, May 20, 2012. A magnitude 6 earthquake shook northern Italy early Sunday. The quake struck at 4 04 a.m. Sunday between Modena and Mantova, about 35 kilometers (22 miles) north northwest of Bologna at a relatively shallow depth of 10 kilometers (6 miles), the U.S. Geological Survey said. (AP Photo/Luca Bruno)

People look at the damaged town hall building in St' Agostino, Italy, Sunday, May 20, 2012. One of the strongest earthquakes to shake northern Italy rattled the region around Bologna early Sunday, a magnitude 6.0 temblor that killed at least four people, toppled buildings and sent residents running into the streets, emergency services and news reports said. (AP Photo/Luca Bruno)

The crumbling hulk of the Rocca Estense in Finale Emilia, in northern Italy, is taped off, Sunday, May 20, 2012, after a magnitude 6 quake struck at 4 04 a.m. Sunday between Modena and Mantova, about 35 kilometers (22 miles) north northeast of Bologna, killing at least 4 people. (AP Photo/Marco Vasini)

People rest outside their homes in Finale Emilia, in northern Italy, Sunday, May 20, 2012, after a quake struck at 4 04 a.m. Sunday between Modena and Mantova, about 35 kilometers (22 miles) north northeast of Bologna. One of the strongest earthquakes to shake northern Italy rattled the region around Bologna early Sunday, a magnitude 6.0 temblor that killed at least four people, toppled buildings and sent residents running into the streets, emergency services and news reports said. (AP Photo/Marco Vasini)

A bell tower clock in Sant'Agostino, northern Italy, displays the time of 4 04 am, Sunday, May 20. 2012, when magnitude 6.0 temblor shook northern Italy. The quake struck at 4 04 a.m. Sunday between Modena and Mantova, about 35 kilometers (22 miles) north of Bologna at a relatively shallow depth of 10 kilometers (6 miles), the U.S. Geological Survey said. (AP Photo/Luca Bruno)

The damaged town hall building in St' Agostino, Italy, Sunday, May 20, 2012. A magnitude 6.0 temblor shook northern Italy early Sunday. The quake struck at 4 04 a.m. Sunday between Modena and Mantova, about 35 kilometers (22 miles) north of Bologna at a relatively shallow depth of 10 kilometers (6 miles), the U.S. Geological Survey said. (AP Photo/Luca Bruno)

A man cycles past rubble in a street in Finale Emilia, in northern Italy, Sunday, May 20, 2012, after a quake struck at 4 04 a.m. Sunday between Modena and Mantova, about 35 kilometers (22 miles) north of Bologna. One of the strongest earthquakes to shake northern Italy rattled the region around Bologna early Sunday, a magnitude 6.0 temblor that killed at least four people, toppled buildings and sent residents running into the streets, emergency services and news reports said. (AP Photo/Marco Vasini)

Peole walk past the collapsed San Martino church, in Buonacompra, Italy, Sunday, May 20, 2012. A magnitude 6 earthquake shook northern Italy early Sunday killing at least four people. The quake struck at 4 04 a.m. Sunday between Modena and Mantova, about 35 kilometers (22 miles) north of Bologna at a relatively shallow depth of 10 kilometers (6 miles), the U.S. Geological Survey said. (AP Photo/Luca Bruno)

An Italian firefighter stands among rubble and destroyed cars in Modena, Italy, Sunday, May 20, 2012. A magnitude 6.0 temblor shook northern Italy early Sunday. The quake struck at 4 04 a.m. Sunday between Modena and Mantova, about 35 kilometers (22 miles) north of Bologna at a relatively shallow depth of 10 kilometers (6 miles), the U.S. Geological Survey said. (AP Photo/Alessandro Fiocchi, Lapresse)

Elderly people evacuated from their homes, sit in the classroom of a kindergarten in Mirabello, Italy, Sunday, May 20, 2012. A magnitude 6.0 temblor shook northern Italy early Sunday, killing at least three people and toppling some buildings, emergency services and news reports said. The quake struck at 4 04 a.m. Sunday between Modena and Mantova, about 35 kilometers (22 miles) north northwest of Bologna at a relatively shallow depth of 10 kilometers (6 miles), the U.S. Geological Survey said. (AP Photo/Luca Bruno)

The San Paolo Church partially destroyed is seen in Mirabello, Italy, Sunday, May 20. 2012. A magnitude 6earthquake shook northern Italy early Sunday, killing at least four people and toppling some buildings, emergency services and news reports said. The quake struck at 4 04 a.m. Sunday between Modena and Mantova, about 35 kilometers (22 miles) north northwest of Bologna at a relatively shallow depth of 10 kilometers (6 miles), the U.S. Geological Survey said. (AP Photo/Luca Bruno)

People who had to leave their homes after a magnitude 6.0 temblor are assisted in Finale Emilia northern Italy, Sunday, May 20, 2012. One of the worst quakes to hit northeast Italy in hundreds of years rattled the region around Bologna early Sunday, killing at least four people, collapsing factories and sending residents running out into the streets, emergency services said. (AP Photo/Marco Vasini)

People who had to leave their homes are assisted in Finale Emilia northern Italy, Sunday, May 20. 2012. A magnitude 6 earthquake shook northern Italy early Sunday at 4 04 a.m. Sunday between Modena and Mantova, about 35 kilometers (22 miles) north of Bologna at a relatively shallow depth of 10 kilometers (6 miles). (AP Photo/Marco Vasini)

People who had to leave their homes shelter themselves from rain in Finale Emilia northern Italy, Sunday, May 20. 2012. An earthquake shook northern Italy early Sunday at 4 04 a.m. Sunday between Modena and Mantova, about 35 kilometers (22 miles) north of Bologna at a relatively shallow depth of 10 kilometers (6 miles). (AP Photo/Marco Vasini)

A man looks at the damage caused by a quake in Finale Emilia northern Italy, Sunday, May 20. 2012. An earthquake shook northern Italy early Sunday at 4 04 a.m. Sunday between Modena and Mantova, about 35 kilometers (22 miles) north of Bologna at a relatively shallow depth of 10 kilometers (6 miles). (AP Photo/Marco Vasini)

Residents view damage caused by a magnitude 6.0 temblor in Finale Emilia northern Italy, Sunday, May 20, 2012. One of the worst quakes to hit northeast Italy in hundreds of years rattled the region around Bologna early Sunday, killing at least four people, collapsing factories and sending residents running out into the streets, emergency services said. (AP Photo/Marco Vasini)