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Threat of killer waves

Santa Cruz: 50-foot wave Submarine landslides Santa Cruz have only recently been recognized as a major source of deadly tsunamis. Steven N. Ward, a geophysicist at the University of California at Santa Cruz, has developed computer programs to simulate the possible effects of such slides. Here are his results from a simulated landslide inside the Tsunami waves Red contours are elevations Blue contours are depressions Contour intervals: 6.5 feet Minus 52-foot trough Waves reach shore at 25 mph Monterey Bay Moss Landing 36-foot wave Submarine landslide Monterey Canyon. 29-foot wave Waves reach shore at 25 mph Seafloor landslide Santa Cruz 13-foot wave Submarine landslide Minus 26-foot trough Waves over deep water Moss Landing 29-foot Pacific Grove Monterey move Minus 42-foot trough Monterey 10 wave as fast as 350 mph Pacific Grove: 85-foot wave Monterey Canyon MILES Carmel Two minutes later Santa Cruz Tsunami waves Moss Landing Monterey 10 MILES Monterey Сапyon Four minutes later Santa Cruz 105-foot wave 36-foot wave Moss Landing Twelve minutes later Big Sur Monterey Canyon Monterey 10 MILES Sources: Steven N. Ward, UCSC; Aerial image courtesy Eight minutes later Santa Cruz 75-foot wave Moss Landing Monterey 10 MILES JOHN BLANCHARD / The Chronicle

Threat of killer waves

shared by rmmojado on Jan 24
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Scientists now believe that a huge undersea landslide triggered by the quake must have added deadly power to the Papua tsunamis -- and that similar landslides could threaten many coastal regions of th...



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