Wave of Destruction

Monday, March 1, 2010 , Posted by Zeeda Andrews at 6:25 PM

Some scientists believe a mega tsunami could someday devastate the entire eastern seaboard of the United States. It would start from a active volcano called Cumbre Vieja on La Palma, Canary Islands off the coast of west Africa. La Palma is a volcanic ocean island. It is currently the most volcanically active of the Canary Isles. Historical eruptions on the Cumbre Vieja occurred in 1470, 1585, 1646, 1677, 1712, 1949, and 1971.

The 1971 eruption occurred at the southern end of the Cumbre Vieja at the Teneguia vent. The eruption was mainly strombolian in style, lava was also erupted. Such seismic activity did not occur during the 1949 eruption. Residual thermal activity still continues today.

Scientist suggest that failure of the western flank of the Cumbre Vieja if eruption occurred would cause a mega-tsunami and an estimated mass 1.5 x 1015 kg, will catastrophically fail in a massive gravitational landslide and enter the Atlantic Ocean generating a mega-tsunami. The debris will continue to travel as a debris flow, along the ocean floor. Computer modeling indicates that the resulting initial wave may attain a local amplitude (height) in excess of 1,969 ft and an initial peak to peak height that approximates to (1 mi), and travel at about 621 mph per hour (approximately the speed of a jet aircraft), inundating the African coast in about 1 hour, the southern coast of England in about 3.5 hours, and the eastern seaboard of North America in about 6 hours, by which time the initial wave would have subsided into a succession of smaller ones each about (98 ft) to (197 ft) high.

These may surge to several hundred meters in height and several apart but retaining their original speed. The scientist suggest that it could inundate up to (16 mi) inland. This would greatly damage or destroy cities along the entire North American eastern seaboard. The physical damage would take tens if not hundreds years to repair and restore. The economies of the countries affected would likewise take several years to return to the pre-inundation levels. Each year bring more uncertainty about mother nature but one thing is certain if I lived in Miami, New York or anywhere along the coast line I would be moving!
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