Mount Etna's recent eruption has forced the airport in Catania, the Sicilian city at the foot of the active volcano, to temporarily suspend operations.

Mount Etna's eruption is seen from Giarre near Catania, in southern Italy, Dec. 14, 2021.

Mount Etna erupts in Catania, in southern Italy, Dec. 14, 2021.

Mount Etna's eruption is seen from Acireale near Catania, in southern Italy, Dec. 14, 2021.

Mount Etna volcano spews smoke in Catania, Italy, Dec. 14, 2021.

Lava flows from Mount Etna after the last eruptive event in Catania, Italy, Dec. 14, 2021.

Mount Etna volcano spews smoke in Catania, Italy, Dec. 14, 2021.

Smoke from Mount Etna spreads across the sky amid the volcano's eruption, Italy, Dec. 14, 2021.

Mount Etna volcano spews smoke, Catania, Italy, Dec. 14, 2021.

Mount Etna is seen from a town square in Catania, Italy, Dec. 14, 2021.

Two people look on as Mount Etna spews smoke, Italy, Dec. 14, 2021.