Landslide Hazards


The primary objective of the National Landslide Hazards Program (LHP) is to reduce long-term losses from landslide hazards by improving our understanding of the causes of ground failure and suggesting mitigation strategies.

Landslide Hazards Program

Landslide Hazards Program

Explore the Landslide Hazards Program


Landslide Monitoring

Landslide Monitoring

Monitoring is essential to predicting the behavior of landslides and forecasting which storms can trigger large numbers of landslides.


Post-Wildfire Debris-Flow Hazards

Post-Wildfire Debris-Flow Hazards

Wildfire can significantly alter the hydrologic response of a watershed to the extent that even modest rainstorms can produce dangerous flash floods and debris flows.

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Kate Scharer
January 26, 2018

Days after fatal debris flows devastated Southern California’s Montecito community,  a team of U.S. Geological Survey geologists joined county, state, and federal partners to survey and  evaluate the aftermath.


Image: 2014 Landslide in Washington State
November 30, 2017

"Gravity Never Sleeps":  The USGS collaborates with community partners for a series of briefings on Capitol Hill to discuss national landslide hazards.  

Natural Hazard image WGSC
September 6, 2017

With hurricanes in the east and wildfires in the west, natural hazards have the potential to impact a majority of Americans every year. USGS science provides part of the foundation for emergency preparedness whenever and wherever disaster strikes.