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Tsunami evacuation routes are found in some regions prone to tsunamis. The National Tsunami Warning Center (NTWC) is one of two tsunami warning centers in the United States, covering all coastal regions of the United States and Canada, except Hawaii, Guam, the Northern Mariana Islands, Puerto Rico and the U.S. Virgin Islands.
Evacuation route sign in a low-lying coastal area on the West Coast of the United States. A tsunami warning system (TWS) is used to detect tsunamis in advance and issue the warnings to prevent loss of life and damage to property. It is made up of two equally important components: a network of sensors to detect tsunamis and a communications ...
Tsunami evacuation route sign at the corner of Spray Street and Brighton Avenue in the Ocean Beach neighborhood of San Diego. Tsunami hazard area maps for San Diego and six other counties have ...
In some regions, tsunami sirens are used to help alert the public. The Pacific Tsunami Warning Center (PTWC), located on Ford Island, Hawaii, is one of two tsunami warning centers in the United States, covering Hawaii, Guam, American Samoa and the Northern Mariana Islands in the Pacific, as well as Puerto Rico, the U.S. Virgin Islands and the British Virgin Islands in the Caribbean Sea.
The California Geological Survey releases tsunami hazard maps for Ventura, San Diego, Marin, Napa, Santa Cruz, Solano and Sonoma counties to help residents understand risks.
Tsunami Evacuation Route signage along U.S. Route 101, in Washington As a direct result of the Indian Ocean tsunami, a re-appraisal of the tsunami threat for all coastal areas is being undertaken by national governments and the United Nations Disaster Mitigation Committee.
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Ocosta Elementary School in Westport, Washington, designed for vertical evacuation from tsunami hazard. In areas where horizontal evacuation to higher ground is impossible, vertical evacuation to higher areas of a structure may be a way to shelter individuals from the surge of water, several meters high, that can follow an earthquake in coastal areas.