Husker du at i et tidligere innlegg nevnte jeg monster Tsunami’en som kan slå inn over østkysten av USA ? Det er en av Kanari øyene som faktisk kan sprekke opp og forårsake dette. Det kan skje i dag, i morgen eller om 10.000 år. Det er laget et meget bra program om dette som kan sees på NRK Web TV.
http://tv.nrk.no/program/koid20006012/tsunamitrusselen-fra-la-palma
EVALUATION OF THE THREAT OF MEGA TSUNAMI GENERATION FROM POSTULATED MASSIVE SLOPE FAILURES OF ISLAND VOLCANOES ON LA PALMA, CANARY ISLANDS, AND ON THE ISLAND OF HAWAII
George Pararas-Carayannis
Paper published in Science of Tsunami Hazards, Vol 20, No.5, pages 251-277, 2002. (Modified html format)
ABSTRACT
Massive flank failures of island stratovolcanoes are extremely rare phenomena and none have occurred within recorded history. Recent numerical modeling studies, forecasting mega tsunami generation from postulated, massive slope failures of Cumbre Vieja in La Palma, Canary Islands, and Kilauea, in Hawaii, have been based on incorrect assumptions of volcanic island slope instability, source dimensions, speed of failure and tsunami coupling mechanisms. Incorrect input parameters and treatment of wave energy propagation and dispersion, have led to overestimates of tsunami far field effects. Inappropriate media attention and publicity to such probabilistic results have created unnecessary anxiety that mega tsunamis may be imminent and may devastate densely populated coastlines at locations distant from the source - in both the Atlantic and Pacific Oceans.
Nok skremsel for i dag :-)
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