Prophecy Sign: The Apostle Luke in Luke 21:11 also speaks to us about seeing fearful sights. As you read Luke told us about watching the roaring seas and waves and great earthquakes. I read news today that connects to all of these signs. First read the news report and then I will explain. “The walls of the largest underwater volcano in Europe could collapse, releasing thousands of tons of magma, which would trigger a tsunami that would likely inundate southern Italy, experts at the National Institute of Geophysics and Volcanology told CNN. The Marsili volcano, which has an active magma chamber, also has areas losing magnetism and a large amount of weak and permeable rocks supporting it, which researchers said means that the walls could essentially crumble at any time with the right seismic activity.”
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One should expect an earthquake will result from the exploding volcano, and if what the experts are saying coming to pass it would create another huge tsunami. If this is the case you would have an fearful event with earthquakes and roaring waves all of which are warnings.
http://news.blogs.cnn.com/2010/03/30/experts-undersea-volcano-may-collapse-cause-tsunami/