government must ask whether California, and the national economy, will someday face worse consequences from other distant-source tsunamis. “Although this pales in comparison to the loss of lives and property in Japan,” the Geological Survey”s authors wrote, “the U.S. Waves from that tsunami rolled across the Pacific and caused $50 million to $100 million in damage along the California Coast, the planners noted. An Alaskan quake of that strength would cause waves up to 24 feet high that would batter California”s low-lying coastal areas with only a few hours of warning, the scientists said.ĭisaster planners who have worked for years assessing potential tsunami damage to California were spurred to update their 2009 flood maps and damage assessments by the magnitude 9 Japanese earthquake and tsunami in 2011 that flooded the Fukushima nuclear power plant and has left the devastated region still fearing radiation. Geological Survey and scores of state and national specialists proposes a “hypothetical but plausible” event involving a magnitude-9.1 quake. The scenario described by experts at the U.S. A giant tsunami spawned by a huge Alaskan earthquake could hit the California coast, causing at least $10 billion in damage, force at least 750,000 people to evacuate flooded areas, and destroy port facilities in the San Francisco Bay Area and Los Angeles, a report from teams of scientists warned Wednesday.
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