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Lecture_06 - LECTURE 6 TSUNAMIS DYNAMICS 1.0 ORIGIN...

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Lecture 6. Revised 8/08 1 LECTURE 6: TSUNAMIS DYNAMICS 1.0 ORIGIN EARTHQUAKES CAN GENERATE A TSUNAMI BUT THE SIZE OF THE TSUNAMIS IS NOT RELATED TO THE MAGNITUDE OF THE EARTHQUAKE THIS IS BECAUSE LITTLE HORIZONTAL DISPLACEMENT RESULTS IN A WEAK TSUNAMI, WHILE LARGE VERTICAL DISPLACEMENT RESULTS IN A STRONG TSUNAMI I.E. 1906 SAN FRANCISCO EARTHQUAKE (MAGNITUDE OF 8.2) RESULTED IN NO TSUNAMI I.E. 1964 “GOOD FRIDAY” EARTHQUAKE IN ALASKA EARTHQUAKE (MAGNITUDE OF 8.4) RESULTED IN A 1.4 M HIGH WAVE IN PRINCE RUPERT, BRITISH COLUMBIA, 3 HOURS AFTER TSUNAMI EARTHQUAKES ARE EARTHQUAKES THAT PRODUCE TSUNAMIS VOLCANIC ERUPTIONS I.E. 1883 KRAKATOA ERUPTION GENERATED 30 TO 40 M HIGH WAVES SUBMARINE LANDSLIDES Ι.Ε. 1964 “GOOD FRIDAY” EARTHQUAKE IN ALASKA GENERATED 30 M HIGH WAVES AT VALDEZ, ALASKA; 5 M HIGH IN HAWAII UNDERWATER EXPLOSIONS
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Lecture 6. Revised 8/08 2 I.E. 1940S AND 1950S NUCLEAR TESTING AT BIKINI ATOLL TERRESTRIAL LANDSLIDES I.E. 1958 LITUYA BAY LANDSLIDE, ALASKA. LANDSLIDE GENERATED 60 M HIGH WAVE I.E. 1965 VAIONT DAM DISASTER, ITALY.
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