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Landslides and Mudslides

Landslides are created by the downward movement of unstable materials on slopes caused by weakening of the soil structure over time, construction of houses and roads thereby destroying natural slopes, weathering of the ground materials, earthquakes, droughts, fires, and then substantial rainfall, rapid snow melts, and the effects of gravity. Landslides may be caused by earthquakes, storms, and volcanic activity. Rapidly moving water and debris can cause injury, death, and destruction of property, utilities, roads, railroads, etc.

Best Practices for Landslides and Mudslides

  • • Create and utilize proper land planning, zoning, and professional inspections in mountains, canyons, and coastal regions to avoid new construction in areas subject to wildfires, steep inclines, and potentially unstable land.
  • • Avoid building in areas near drainage ways or natural erosion sites.
  • • Determine the history of an area concerning landslides, debris flow, and wildfires before considering purchasing the land and building structures.
  • • Plan groundcover on slopes and build appropriate retaining walls.
  • • Contact local authorities to find out about emergency and evacuation plans in the event of a landslide or mudslide.
  • • Listen for rumbling sounds that may alert individuals to impending landslides or mudslides.
  • • Evacuate all sites immediately when given orders to do so by the appropriate authorities.
  • • Do not re-enter damaged sites until given permission to do so by the appropriate authorities.
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