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Originally posted by DarkSarcasm
The black and white image is quite disturbing. Does anyone else think that the island may be the southern edge of an enormous caldera. The edge is almost perfectly circular like what would be seen in a crater or well formed caldera, only enormous.
Originally posted by Misterlondon
Nice thread arken, you are correct, this island poses are real danger, especially to the uk. A tsunami generated there would devastate the south coast if England. (among other places)
Originally posted by Arken
No. I don't. I think that prevention is better than cure!
Originally posted by Phage
But the earthquakes are occurring at a different volcano than the one McQuire thinks can cause a megatsunami. A volcano 50 miles away from the one McQuire thinks can cause a megatsunami.
edit on 8/3/2011 by Phage because: (no reason given)
Geologists S. Day and S. Ward consider that a megatsunami could be generated during a future eruption involving the Cumbre Vieja on the volcanic ocean island of La Palma, in the Canary Islands, Spain.[13][14] The last Cumbre Vieja eruption occurred in 1971 at the southern end of the sub-aerial section without any movement. The section affected by the 1949 eruption is currently stationary and does not appear to have moved since the initial rupture.[16] Geologists and volcanologists also disagree about whether an eruption on the Cumbre Vieja would cause a single large gravitational landslide or a series of smaller landslides. a Palma is currently the most volcanically active island in the Canary Islands Archipelago. It is likely that several eruptions would be required before failure would occur on Cumbre Vieja.[13][14] However, the western half of the volcano has an approximate volume of 500 cubic kilometres (120 cu mi) and an estimated mass of 1,500,000,000,000 metric tons (1.7×1012 short tons) If it were to catastrophically slide into the ocean, it could generate a wave with an initial height of about 1,000 metres (3,300 ft) at the island, and a likely height of around 50 metres (164 ft) at the Caribbean and the Eastern North American seaboard when it runs ashore eight or more hours later. Tens of millions of lives would be lost as New York, Boston, Baltimore, Washington, D.C., Miami, Havana, and many other cities near the Atlantic coast are leveled. The likelihood of this happening is a matter of vigorous debate.[15]
Originally posted by Arken
Originally posted by Phage
reply to post by Arken
Why?
Does McQuire think that El Hierro can produce a megatsunami? Does any geologist?
I know you do but you see disasters behind every corner.
edit on 8/3/2011 by Phage because: (no reason given)
No. I don't. I think that prevention is better than cure!