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But the reality is that tsunamis could hit anywhere on the U.S. coastline - whether it be in the West or the East. ... People watch the ocean after a powerful earthquake struck off the coast near ...
The magnitude 9.5 earthquake of 22 May 1960, the largest earthquake ever recorded, generated one of the most destructive tsunamis of the 20th century. The tsunami spread across the Pacific Ocean, with waves measuring up to 25 metres (82 ft) high in places. The first tsunami wave hit Hilo, Hawaii, approximately 15 hours after its origin. The ...
More than 150 tsunamis have hit California’s shore since 1800. Most were barely noticeable, but a few have caused fatalities or significant damage. The most destructive tsunami to hit California ...
Surface weather analysis of the 1898 Georgia hurricane on October 2. That hurricane was the strongest hurricane on record to hit the state and was the most recent major hurricane to strike Georgia. The list of Georgia hurricanes includes tropical or subtropical cyclones that have affected the U.S. state of Georgia.
Two other sub-events measuring 7.6 M w and 7.7 M w occurred 250 km and 300 km south. The 7.6 M w sub-event involved breaking the shallow subduction zone, displaying characteristics of a tsunami earthquake. The larger and shallower mainshock was a slow-rupturing tsunami earthquake that released 70 percent of the seismic moment.
The last tsunami to hit California was in January, after a volcanic eruption in the South Pacific Ocean near Tonga sent 2-foot tsunami waves barreling through the Bay Area more than 5,000 miles away.
There are many scenarios where a tsunami could be forecast with many hours of warning, and the most at-risk areas would be limited to beaches and harbors. The risk could be widespread, however.
Although National Oceanic and Atmospheric Administration (NOAA) scientists at the Pacific Tsunami Warning Center (PTWC) in Hawaii eventually issued warnings of a possible tsunami from the large earthquake off Sumatra, the waves outran notification systems at jet speeds of 500 mph (804 km/h), catching hundreds of thousands of people unaware.