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New Study Points to Threat of Tidal Waves Along U.S. East Coast

The Journal Science reported in the July issue that a geological study found a layer of porous rock 2,000 feet under the seabed off the coast of New Jersey that poses the thread of a tidal wave. According to the article, the porous rock filled with water could cause the sloping eastern continental shelf to cave in and cause a tsunami. The study did not suggest that the New Jersey coast is at high risk of being inundated, but it does not conclude that the East Coast is less geologically stable than it was previously believed to be. The Science article follows a study published in the May issue of the journal Geology which reported cracks off the Virginia and North Carolina coasts that could send waves as high as 20 feet across the Middle Atlantic states (see June issue of U.S. Reviews).