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Landslide Susceptibility Hazard Zones

Published by data.sfgov.org | City of San Francisco | Catalog Last Checked: July 29, 2025 at 03:10 AM | Dataset Last Updated: June 26, 2024
This map shows the relative likelihood of deep landsliding based on regional estimates of rock strength and steepness of slopes. On the most basic level, weak rocks and steep slopes are more likely to generate landslides. This shows the distribution of one very important component of landslide hazard. It is intended to provide infrastructure owners, emergency planners and the public with a general overview of where landslides are more likely. The map does not include information on landslide triggering events, such as rainstorms or earthquake shaking, nor does it address susceptibility to shallow landslides such as debris flows. This map is not appropriate for evaluation of landslide potential at any specific site. For visualization: If gridcode is 8,9,10 than area is High Susceptibility for landslides

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