Send a comment on this item to LII: Send a comment on this item to LII staff, who on weekdays will usually reply within 24 hours. New Geologic Maps Highlight Bay Area Earthquake Hazards "The U.S. Geological Survey and the California Geological Survey announce [in February 2006] two new digital geologic maps of the densely populated section of the San Francisco Bay area. ... The first is a new map of the young geologic deposits in the low-lying sections of the Bay Area. ... The second of the maps shows the likelihood that these young deposits will liquefy [during an earthquake.]" Maps are available as PDF documents. http://earthquake.usgs.gov/regional/nca/qmap/ Asterisk * indicates required field. Your Name Your Email Address * We will not sell or provide your email address to anyone else. Comment * Enter the verification code as it is shown in the box below. This helps prevent automated submissions. *