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Building Structures in Geologic Hazard Zones

Building Structures in Geologic Hazard Zones. Utah’s Geologic Hazards. Landslides Rock Falls Ground Cracks Earthquakes Radon. Landslides. What is a landslide? Landslides are common natural hazards in Utah, that are associated with rising ground water levels due to ….

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Building Structures in Geologic Hazard Zones

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  1. Building Structures in Geologic Hazard Zones Clint Anderson - Natural Hazards 1700

  2. Utah’s Geologic Hazards • Landslides • Rock Falls • Ground Cracks • Earthquakes • Radon Clint Anderson - Natural Hazards 1700

  3. Landslides What is a landslide? • Landslides are common natural hazards in Utah, that are associated with rising ground water levels due to … House damaged by the April 6, 2004 debris flow in Farmington, Utah. Clint Anderson - Natural Hazards 1700

  4. Rock Falls There are many houses that are built too close to large mountain sides and slopes containing loose rocks and boulders. This is a home in Provo that was damage by one large boulder. The boulder bounced over the fence crashed into the back of the house, damaged the ceiling before falling through the floor and crashing into the garage door. Clint Anderson - Natural Hazards 1700

  5. Ground Cracks Ground Cracks or Fissures, are a narrow crack in the earth that can widen over time, causing damage to houses and poses a serious danger to humans. • Several major ways that Ground Cracks are formed are… • Earthquakes • When water is pumped from the ground it creates a suction that can underground stones to crack under pressure. • Volcanic activity Clint Anderson - Natural Hazards 1700

  6. Earthquakes How many earthquakes occur in Utah? About 700 earthquakes are located in the Utah region each year. Where in Utah can earthquakes occur? Earthquakes can occur anywhere in the state of Utah. How many of these earthquakes are noticed? Approximately 2% of the earthquakes in Utah are felt. Clint Anderson - Natural Hazards 1700

  7. Utah Earthquakes along the Wasatch Front Number of earthquakes per day Clint Anderson - Natural Hazards 1700

  8. Radon What is Radon? Radon is a natural radioactive gas that has no smell, taste or color. Why is a natural gas like Radon a hazard? When Radon is outside it is dispersed by the wind and scattered into the atmosphere, posing no real threat. When Radon builds up and is collected inside of a building, it has no where to go and becomes extremely dangerous to humans. Clint Anderson - Natural Hazards 1700

  9. Wrap It Up! • Before you build or buy: • Be aware and learn about the various geologic hazards in your area. • Read the Utah Homes for Geologic Hazards Survey to see if the area is safe for you and your family. • Look at maps and ask local officials to see if that area is in a Flood Zone or potential Rock Fall area Clint Anderson - Natural Hazards 1700

  10. Sources Utah Geological Survey http://geology.utah.gov Neal Litherland http://www.ehow.com/how-does_5655261_do-fissures-form_.html Radon Fact Sheet http://www.radon.com/radon/radon_facts.html USGS http://earthquake.usgs.gov/hazards/?source=sitenav UPSeis http://www.geo.mtu.edu/UPSeis/why.html Clint Anderson - Natural Hazards 1700

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