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NY 3.0 hours Floods and other Natural Hazards Course Syllabus
3.0 Elective Hours
Some commonly overlooked causes of flooding are dam failures and tsunamis.
Dams are an important resource in the United States, providing many functions, including recreation, flood control, irrigation, water supply and hydroelectric power. Dams range from massive concrete structures to more local earthen structures, such as those near a farm's pond.
The risk for dam failure and the potential catastrophic damage it can cause are not shown on the flood maps from FEMA. So, while property owners may be aware that they live downstream from a dam, they may not be aware of the true risk.
More than a third of our nation's dams are already 50 years old. About 14,000 of those dams pose a "high" or "significant" hazard to life and property if a failure occurs. There are also about 2,000 "unsafe" dams in the United States and in almost every state. So, while dams are built not to fail, they do.
A tsunami is a series of waves that happen when water in a lake or sea is quickly displaced on a large scale. Disturbances such as earthquakes, volcanic eruptions, landslides or meteorite impacts can cause tsunamis. In the deep ocean, the tsunami wave may only be a few inches high. The tsunami wave may come gently ashore or may increase in height to become a fast-moving wall of turbulent water several meters high. Because the most common cause is an undersea earthquake, there is potential for coastal areas to be impacted by a tsunami.
Some commonly overlooked causes of flooding are dam failures and tsunamis. This course will provide the real estate professional with a better understanding of how to recognize the warning signs and potential dangers when natural disasters occur.