Jobs & Education1 min ago
How far inland would a mega Tsunami travel if it hit Scotland coming in from the north sea or Arctic circle or hit the uk from the Atlantic?
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I have three scenarios here. A 100 ft Tsunami. A 500 ft Tsunami and a 1000ft Tsunami.
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have a play (keep in mind that, as Beso said, most tsunamis only start as a swell a few centimetres high)
http://chair.pa.msu.e.../tsunami/tsunami.html
http://chair.pa.msu.e.../tsunami/tsunami.html
Consider the importance of geography in the largest tsunami on record.
http://geology.com/re...biggest-tsunami.shtml
http://geology.com/re...biggest-tsunami.shtml
The energy required to move a quantity of water upwards is directly proportional to the height it rises. The energy of the wave is proportional to the square of the speed it is moving. Because of the square relationship the speed of a wave is the most important factor.
This speed to height conversion relationship applies at an instantaneous values at every point where the wave encounters the land so it is incredibly complex. Accurate modelling of the ingress of a tsunami requires very powerful computers and a lot of measurement.
This speed to height conversion relationship applies at an instantaneous values at every point where the wave encounters the land so it is incredibly complex. Accurate modelling of the ingress of a tsunami requires very powerful computers and a lot of measurement.
Wait for it - this one is The Biggie. It will be hugely enormously colossal. It will happen - sooner or later, so pray it will be after your lifetime. There is a massive chunk of an island in the Canaries, called La Palma, which is unstable. It WILL ( not might) drop off its base, and a trillion tonnes of rock will smash into the sea in a few minutes. This is calculated ( in an article in the New Scientist) to result in ten tsunami waves, one after the other, each at least 50 metres high when they reach the coast of the USA (and probably the Caribbean and possibly the northern coasts of South America. ) That's about 160 feet high or more hitting the USA. . Total devastation will result for at least a hundred kilometres inland. This unbelievable water-power will sweep round the Atlantic coasts until it reaches all other coasts, including Greenland, Iceland, Western Europe and Western Africa. The power of the water hitting Britain will probably not be even one-tenth of what hits the USA, but it will still be terrifying.
Thank goodness I live on a ridge, well inland !
There may be devastating surges into the Mediterranean.
Thank goodness I live on a ridge, well inland !
There may be devastating surges into the Mediterranean.
That theory has also been countered by a raft of eminent geologists who say that the cliff will not break up in one massive piece, thus discounting such an impact. The bigger impact would come from yet another shift on the Gibralter fault off Portugal that caused the destruction of lower Lisbon and sent a 10-15ft wave into S England and Ireland (destroying some of the old Galway city walls).
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