Certified Floodplain Manager (CFM) Practice Exam

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Study for the Certified Floodplain Manager (CFM) Exam with a comprehensive quiz featuring multiple-choice questions, exam tips, and in-depth explanations. Prepare yourself for the CFM certification with confidence!

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What causes a tsunami according to FEMA 480?

  1. A severe tropical storm

  2. Melting polar ice caps

  3. An underwater earthquake or volcano

  4. Overflooding of river basins

The correct answer is: An underwater earthquake or volcano

A tsunami is caused by an underwater earthquake or volcano, which produces large and powerful ocean waves that can create massive destruction along coastlines. While options A, B, and D may all result in water damage, they do not cause the coastline-destroying effects of a tsunami. Severe tropical storms, melting polar ice caps, and overflooding of river basins can all cause flooding in coastal areas, but they do not generate the devastating and often sudden wall of water associated with tsunamis. Additionally, FEMA 480 specifically focuses on natural hazards, making the correct answer most likely related to a natural event.