Many tsunamis are initiated by landslides that displace large amounts of water. These include rockfalls and avalanches, such as the huge avalanche that triggered a 200-foot- (60-m-) high tsunami in Lituya Bay, Alaska. Submarine landslides tend to be larger than avalanches that originate above the water line, and they have generated some of the largest tsunamis on records. Many submarine landslides are earthquake-induced, whereas others are triggered by storm events and by increases in pressure on the sediments on the continental shelf induced by rises in sea level.
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Disasters: Why No ones Really 100 Safe. This is common knowledgethat disaster is everywhere. Its in the streets, its inside your campuses, and it can even be found inside your home. The question is not whether we are safe because no one is really THAT secure anymore but whether we can do something to lessen the odds of ever becoming a victim.