A cooperative project with the California Geological Survey

Introduction - Liquefaction

Learn how and where liquefaction may affect the San Francisco Bay region, where it has occurred in the past, the kinds of damage that it can cause, and what can be done about it.

See liquefaction maps:

• Different maps for different purposes

Learn about liquefaction:

• How it works - causes and damage
• Past earthquakes that have caused liquefaction
• Where liquefaction has occurred in the past

If liquefaction is a concern:

• Laws and guidelines
• What you can do about it?

Get more information about liquefaction:

• Information and data that can be downloaded
• Links to other Web sites about liquefaction
• References cited on these pages