ISS 310 Lecture Notes - Lecture 10: American Red Cross, Volunteered Geographic Information, United Nations Development Programme
20 Mar 2017
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Document Summary
Recurring natural phenomena that pose a threat or have the potential to cause harm. These events can and do occur at every location on earth and may be atmospheric, hydrological, geologic, or biological in nature. Primarily driven by the atmosphere and global circulation, which is a product of the relationship between earth and the sun. Geologic hazards, including earthquakes, volcanoes, and tsunamis, are driven primarily by physical processes occurring deep within the earth. These processes may then be revealed at the surface, with the potential to profoundly affect the lives of people living there. Another type of geologic hazard is a group of events, including rock falls, landslides, and avalanches, collectively known as mass wasting. Mass wasting is de ned as the downslope movement of large volumes of rock, sediment, and soil under the force of gravity. Mass wasting occurs in every state and in the united states alone causes an average of 25 deaths and to.
