Mount Etna is sliding into the sea. It could be catastrophic

Sicily’s Mount Etna is one of the world’s most active volcanoes, but scientists say eruptions aren’t the only major threat posed by this smoldering peak. According to a new study from the GEOMAR Helmholtz Centre for Ocean Research, Etna is slowly sliding toward the sea, raising the prospect that it may suddenly collapse and trigger a massive tsunami that could devastate the region around the eastern Mediterranean Sea.