USGS - science for a changing world

U.S. Geological Survey El Niño Information

Potential San Francisco Bay Landslides During the 1997–98 El Niño

Examples from 1997–1998


Solano Cty. Map

The landslide distribution maps and debris flow source area maps are available in this USGS Open-File Report.

Examples of experimental maps released to emergency planning and response teams in the San Francisco Bay Area:

Debris flow (a.k.a.mudslide) hazard map

Click on map for enlargement
Debris flow hazard map

Distribution of deep-seated landslides

Click on map for enlargement
Landslide Susceptibility Map


Areas that are:

Accessibility FOIA Privacy Policies and Notices logo U.S. Department of the Interior | U.S. Geological Survey
Page Contact Information: Laura Zink Torresan
Page Last Modified: 17 April 1998, with links updated 19 November 2015 (lzt)