Scientists: Volcano Could Swamp U.S. with Mega-Tsunami
Tue Jan 4,11:43 AM ET Health - Reuters
As the international community struggles to aid victims of last month's devastating tsunami in southern Asia, scientists warn an eruption of a volcano in Spain's Canary Islands could unleash a "mega-tsunami" larger than any in recorded history.
According to their controversial study, an explosion of the Cumbre Vieja volcano on the island of La Palma could send a chunk of rock twice the size of the Isle of Wight into the Atlantic at up to 220 miles an hour.
Many experts believe the risk of "mega-tsunamis" from such a massive landslide on La Palma has been hugely overstated.
But in the study's scenario, energy released would equal the electricity consumption of the United States for six months, sending gigantic tidal waves across the Atlantic at the speed of a jet plane.
Devastation in the United States would reach trillions of dollars with tens of millions of lives at risk. Spain, Portugal, Britain, France, Brazil, the Caribbean and West Africa would also be swamped by giant waves.
"It may occur in the next eruption, which could be next year, or ... it may be 10 eruptions down the line," said Bill McGuire of Britain's Benfield Hazard Research Center.
Cumbre Vieja, which last exploded in 1971, typically erupts at intervals of between 20 and 200 years.
"We just don't know when it will happen, but are people prepared to take the risk after the Indian Ocean events?" McGuire said, calling for a program to monitor the slide in Cumbre Vieja's flank.
"We need to get people out in advance of the collapse itself. Once the collapse has happened, the Caribbean would have 9 hours, the U.S. 6 to 12 hours to evacuate tens of millions of people," he said.
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