Mega Tsunami Recently, scientists have realized that the next Mega Tsunami is likely to begin on one of the Canary Islands, off the coast of North Africa, where a wall of water will one day race across the entire Atlantic Ocean at the speed of a jet airliner to devastate the east coast of the United States, the Caribbean and Brazil.

If the volcano collapsed in one block of almost 20 cubic kilometres of rock, weighing 500 billion tonnes - twice the size of the Isle of Wight - it would fall into water almost 4 miles deep and create an undersea wave 2000 feet tall. Within five minutes of the landslide, a dome of water about a mile high would form and then collapse, before the Mega Tsunami fanned out in every direction.

Dr. Day claims that the Mega Tsunami will generate a wave that will be inconceivably catastrophic. He says: "It will surge across the Atlantic at 500 miles per hour in less than seven hours, engulfing the whole US east coast with a wave almost two hundred feet high " higher than Nelson,s Column " sweeping away everything in its path up to 20 miles inland. Boston would be hit first, followed by New York, then all the way down the coast to Miami, the Caribbean and Brazil." Millions would be killed, and as Dr. Day explains: "It's not a question of "if" Cumbre Vieja collapses, it's simply a question of "when".

Tsunamis in Canada Tsunamis are a series of large waves that strike coastal areas. They can happen with little warning and result in flooding and damage to coastal communities. Thankfully, they are a rare event. Storm Surges are more common.

Tsunami facts Tsunamis are a series of large waves caused by events such as submarine earthquakes, landslides, volcanic eruptions, and less commonly, meteoric impacts. earthquakeslandslidesvolcanic eruptions Tsunamis can also occur in large lakes. They can occur with little warning in the ocean and in lakes.

A tsunami can be triggered by a large, high energy, but relatively short duration disturbance of the sea floor. Such waves can travel across the ocean at high speed (800 km/h, the speed of a jet plane). As the tsunami waves approach the shoreline and water depth shallows, the wave speed slows, but wave height will increase as wave length decreases. In 20 m of water, wave speed will be 50 km/h.

Tsunamis can occur as individual or multiple waves following each other by minutes and even hours. Tsunamis can grow to 60 or more metres in height (the size of a ten-story building).

Early warning signs of a tsunami One of the signs of a potential tsunami is the occurrence of a very large earthquake that lasts for more than 20 seconds. If an area has been shaken by a very large earthquake, one should be on alert that shorelines located within the radius of the earthquake's epicentre, may be hit by a tsunami. A more immediate and ominous sign of an approaching tsunami is a rapid and unexpected recession of water levels below the expected low tide. This can occur minutes before the shoreline is struck by a tsunami and can be the only sign along coastlines that are located too far from the earthquake epicentre to have felt the shaking.

A tsunami may also occur with very little warning. Natural Resources Canada's seismologists monitor for such events, around the clock. As soon as possible, a tsunami warning is issued to media and municipalities in regions where a tsunami is likely to hit. The Canadian Coast Guard's Marine Communications Traffic Services broadcasts tsunami alerts to mariners. When you get warning of a tsunami, if there is time, move to higher ground immediately.