Undersea Volcano Threatens Italy, Says Scientist NewsCore March 29, 2010 Europe's largest undersea volcano could disintegrate and unleash a tsunami that would engulf southern Italy "at any time,” a prominent vulcanologist warned Monday. A robot recorded the deepest erupting undersea volcano ever seen in December, 2009, capturing for the first time fiery molten lava bubbles 4,000 feet beneath the Pacific. Europe's largest undersea volcano could disintegrate and unleash a tsunami that would engulf southern Italy "at any time,” a prominent vulcanologist warned in an interview published Monday. The Marsili volcano, which is bursting with magma, has "fragile walls" that could collapse, Enzo Boschi told the leading daily Corriere della Sera . "It could even happen tomorrow," said Boschi, president of the National Institute of Geophysics and Volcanology (INGV). "Our latest research shows that the volcano is not structurally solid, its walls are fr...