View of lava spewing out of the Stromboli volcano in Sicily, Italy. A vulcanologist has warned that the Marsili volcano -- Europe's largest undersea volcano -- could disintegrate and unleash a tsunami that would engulf southern Italy "at any time". (AFP/File/Mario Laporta)
Smoke rises and lava spews from the site of a volcanic eruption behind the Eyjafjallajoekull glacier. Icelandic authorities have warned of increased disturbance in the area of the volcanic eruption that forced more than 600 people to flee their homes. (AFP/Halldor Kolbeins)