![]() ![]() To find out if you live, work, or play in a tsunami hazard zone.ĬOUNT how long the earthquake lasts. Before evacuating you should determine if you are in a hazard zone and consider possible hazards that may exist along your evacuation route. Tsunamis from local sources are also possible.Įvacuation should not be automatic. A dozen people were killed in California following the 1964 Alaska earthquake. ![]() The tsunami generated by the 2011 Tohoku earthquake off the coast of Japan caused damage to harbors and ports all along California’s coast. The entire California Coast is vulnerable to tsunamis.It is not possible to predict how many surges or how much time will elapse between waves for a particular tsunami. The first tsunami surge is not the highest and the largest surge may occur hours after the first wave. Large tsunamis may reach heights of twenty to fifty feet along the coast and even higher in a few locales.They have no face for a surfboard to dig into and are usually filled with debris. Tsunamis are more like a river in flood or a sloping mountain of water. Tsunami waves are unlike normal coastal waves.It is rare for a tsunami to penetrate more than a mile inland. Beaches, lagoons, bays, estuaries, tidal flats and river mouths are the most dangerous places to be.Very large tsunamis can cause damage to coastal regions thousands of miles away from the earthquake that caused them. Tsunamis can cause great loss of life and property damage in coastal areas. A tsunami is a series of waves or surges most commonly caused by an earthquake beneath the sea floor. ![]()
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