A resident assesses damages after a house's roof collapsed on a street in Zafferana Etnea near Catania on Dec. 26, 2018, after a 4.8-magnitude earthquake hit the area around Europe's most active volcano Mount Etna. The quake was the strongest in the region after Mount Etna erupted on Dec. 24. It injured four people, damaged old buildings and forced the closure of part of a highway running along the sea, Italian civil protection authorities said. (Photo/Agencies)
Debris cover the ground of damaged house in Zafferana Etnea near Catania on Dec. 26, 2018, after a 4.8-magnitude earthquake hit the area around Europe's most active volcano Mount Etna. The quake was the strongest in the region after Mount Etna erupted on Dec. 24. It injured four people, damaged old buildings and forced the closure of part of a highway running along the sea, Italian civil protection authorities said. (Photo/Agencies)
Residents gather outside a damaged building and shop in Zafferana Etnea near Catania on Dec. 26, 2018, after a 4.8-magnitude earthquake hit the area around Europe's most active volcano Mount Etna. The quake was the strongest in the region after Mount Etna erupted on Dec. 24. It injured four people, damaged old buildings and forced the closure of part of a highway running along the sea, Italian civil protection authorities said. (Photo/Agencies)
A resident stands near a cracked building in Zafferana Etnea near Catania on Dec. 26, 2018, after a 4.8-magnitude earthquake hit the area around Europe's most active volcano Mount Etna. The quake was the strongest in the region after Mount Etna erupted on Dec. 24. It injured four people, damaged old buildings and forced the closure of part of a highway running along the sea, Italian civil protection authorities said. (Photo/Agencies)