Uploaded October 2015 | Updated September 2026, 2 weeks ago

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Movie Synopsis:

- A catastrophic 1982 rainstorm triggered 18,000 landslides in the Bay Area, claiming 25 lives and causing $66 million in property damage
- The combination of steep slopes, weak rocks, and intense winter storms make Bay Area uplands an ideal setting for landslides
- Landslides include both swift, potentially deadly debris flows and slower, but destructive deepseated slides
- Learn what USGS scientists have discovered about landslide dynamics and which slopes are most susceptible to sliding
- Hear the devastating stories of Bay Area residents affected by landslides and learn to recognize the danger signs

Producer/Director/Editor KAREN ADAMS
Principal Videographer DOUGLAS DEVORE
Graphics Animator/Artist BRYAN COLEMAN
Lead Associate Editor WENDY VAN WAZER
Chief Scientific Advisor RAYMOND WILSON
Original Musical Score and Sound Design by DAN CANTRELL
Cover Art by NANCY BROWN

Video Copyright © U.S. Geological Survey

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