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Natural disasters

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  • 1. NATURAL DISASTERS Ingrid Tatiana Lopez Haitivy Vera Jose H Cardona
  • 2. HURRICANE FEMA defines a hurricane as a low- pressure system formed in the tropics and characterized by thunderstorms and heavy winds that move in a counterclockwise motion. In the United States, the hurricane season begins in June and ends in November. This applies to states on the Gulf of Mexico and on the Atlantic ocean. http://www.youtube.com/watch?v=H9VpwmtnOZc&feature=channel
  • 3. FLOOD Floods can happen quickly, in the case of flash floods, or they can take hours or days to form. They can affect small areas, such as a specific community, or they can affect entire states. FEMA claims floods effect every state and are among the most common natural disasters to occur in the U.S. http://www.youtube.com/watch?v=WcmbX_JO95g&feature=related
  • 4. EARHTQUAKE When rocks beneath the Earth's surface shift and break, an earthquake occurs. Every state is susceptible to earthquakes, with California and Alaska experiencing the most damaging and most frequent, respectively. They can occur in any season, at any time, and are the cause of landslides, floods, fires, tsunamis and avalanches, according to FEMA. http://www.youtube.com/watch?v=4Y-62Ti5_6s&feature=related http://www.youtube.com/watch?v=JmwSWjzCpno
  • 5. LANDSLIDE A landslide happens when large amounts of earth, rock and debris slide downhill, according to the CDC. A related disaster, the mudslide, occurs when the debris moving downhill becomes saturated with water, creating a river- like flow. FEMA warns that landslides can happen in every state in the U.S. Fires, earthquakes and storms are a few common landslide and mudslide causes. http://www.youtube.com/watch?v=ZVYGJYnJTi0&feature=related
  • 6. TORNADO The Federal Emergency Management Agency calls tornadoes the most violent storms in nature. The whirling, funnel-shaped winds of a tornado move up to 300 mph and can form in any state. For states in the South, tornado season begins in March and goes through May. For states in the North, most tornadoes occur from the end of spring through early summer. It is possible for tornadoes to form during other seasons, and they often give little warning before striking. http://www.youtube.com/watch?v=oJlfAGC8G8w&feature=related http://www.youtube.com/watch?v=9POUOEVeMG0&feature=related
  • 7. TSUNAMI A volcanic eruption, earthquake or landslide that occurs underwater can create large waves of water called tsunamis. Most of the United States coastline is at risk for tsunamis, according to FEMA, with areas within a mile from shore and less than 25 feet above sea level in the greatest danger. Flooding, contaminated drinking water and fires are the most common effects of tsunamis. http://www.youtube.com/watch?v=eAkijDDS61A&feature=related
  • 8. VOLCANO In the United States, active volcanoes exist in Alaska, Hawaii, California, Washington and Oregon. A volcanic eruption occurs when the pressure from gases in a molten rock reservoir beneath a mountain build too high and can no longer be contained. Poisonous gas, rock, ash and lava flow from volcanoes, affecting a 20 to 100 mile area. http://www.youtube.com/watch?v=BcjBb1QUy94&feature=fvsr
  • 9. WILDFIRE Dry conditions cause wildfires in rural areas, forests and mountain states, according to the U.S. Fire Administration. Major wildfires in populated areas destroy homes, and the smoke from these fires causes respiratory problems, eye irritation and problems for people with chronic lung and heart diseases. http://www.youtube.com/watch?v=_S8yKIJ8Tqc&feature=related
  • 10. WILDFIRE Dry conditions cause wildfires in rural areas, forests and mountain states, according to the U.S. Fire Administration. Major wildfires in populated areas destroy homes, and the smoke from these fires causes respiratory problems, eye irritation and problems for people with chronic lung and heart diseases. http://www.youtube.com/watch?v=_S8yKIJ8Tqc&feature=related