According to a U.S. Coast Guard Public Affairs feature story, dated May 17, 2011:
"In the early morning hours of Friday, March 11, 2011 the residents of Crescent City Calif. woke to a tsunami warning in the wake of a 9.0 magnitude earthquake that devastated Japan, which is nearly 4,500 miles away from this sleepy little town in Northern California. Oceanographers and geologists have made the claim that because of the topography underneath the massive Pacific Ocean, the most likely city on the West Coast of the United States most likely to be hit by a tsunami would be Crescent City. Tsunamis have been observed in Crescent City 31 times since 1933 including the tsunami of 1964, which remains the largest and most destructive recorded tsunami to ever strike the U.S. Pacific Coast." Read More…..