Stuff You Should Know Selects: How Landslides Work
Aug 7, 2021
Discover the fascinating world of landslides, from their geological mechanics to tragic historical events. The hosts delve into the recent catastrophic landslide in Washington, emphasizing its emotional toll. Learn how natural forces like water, earthquakes, and wildfires trigger these disasters and how erosion dynamics differ. Explore preventative measures for landslides on mountain roads and the economic implications highlighted by past incidents. Personal anecdotes and listener engagement add a humorous touch to the discussion.
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Oso Landslide Tragedy
- A massive landslide in Oso, Washington, claimed 24 lives and left over 170 missing.
- This event is likely the deadliest landslide in U.S. history, exceeding the typical annual average of 25-35 fatalities.
Foreseen Disaster
- The area affected by the Oso landslide was known locally as "Slide Hill" and "Steelhead Landslide."
- A 1999 report predicted a catastrophic failure in that exact location.
Mass Movements
- Landslides, mudslides, and other similar events are categorized as "mass movements."
- These movements occur when gravity overcomes the friction holding soil to bedrock on a slope.