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Tsunamis: Risks, Facts, and Preparedness

Learn about the dangers of tsunamis, including flooding and fires, and how to protect yourself and your property. Get essential facts, preparedness tips, and evacuation guidelines to stay safe during a tsunami. Be informed, be prepared!

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Tsunamis: Risks, Facts, and Preparedness

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  1. Tsunamis CERT Basic Training Hazards

  2. A Tsunami Is… • An ocean wave produced by underwater earthquakes or landslides CERT Basic Training Unit 1: Tsunamis

  3. Tsunami Risks • Flooding • Contamination of drinking water • Fires from ruptured tanks or gas lines • Loss of vital community infrastructure • Complete devastation of coastal areas • Death CERT Basic Training Unit 1: Tsunamis

  4. Tsunami Facts • 24 tsunamis have caused damage in U.S. and territories during past 224 years • Wave height ranges: inches to 100+ feet • Tsunamis can travel upstream in coastal estuaries and rivers • Damaging waves as high as 60 feet extending inland from immediate coast • First wave of tsunami is usually not largest CERT Basic Training Unit 1: Tsunamis

  5. Tsunami Preparedness • Know risk and “coastal clues” • Plan and practice evacuation routes • Discuss tsunamis with your family • Talk to your insurance agent • Use NOAA Weather Radio CERT Basic Training Unit 1: Tsunamis

  6. Protecting Property • Avoid living within several hundred feet of coastline • Elevate coastal homes • Consult with professional CERT Basic Training Unit 1: Tsunamis

  7. Tsunami Preparedness • If strong, coastal earthquake occurs: • Drop, cover, and hold • When shaking stops, evacuate quickly to higher ground away from coast, up to two miles inland • Gather your family • Leave everything else behind • Avoid downed power lines, buildings, and bridges CERT Basic Training Unit 1: Tsunamis

  8. If a Warning is Issued • If in tsunami risk area, evacuate immediately • Follow instructions issued by local authorities • Get to higher ground as far inland as possible • Listen to NOAA Weather Radio or Coast Guard emergency frequency station • Return home only after local officials tell you that it is safe • If already out on ocean, be sure to get as far from coast as possible CERT Basic Training Unit 1: Tsunamis 7

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