Landslide Recognition and Safety Guidelines

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During past El Niño seasons, landslides and debris flows were a major hazard.

The following guidelines reflect what areas are generally prone to landslides, and what residents of these areas should do before, during, and after intense storms. Additional information is provided for residents who live near steep hills.

These guidelines are generalized.

Many areas have specific landslide concerns. Check the information section below for details.

Areas that are generally prone to landslides

Areas that are generally safe from landslides

Features that might be noticed before major landslides

What to do if you suspect immediate landslide danger

If you live near steep hills

Before Intense Storms

During Intense Storms

After Intense Storms

For more information on landslides

Source: USGS Press Release, 3 October 1997.

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Last modified: 1997 (lzt)
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