Many parts of the coastline of the San Francisco Bay have been filled in over time, or are former marshlands that were drained. Using USGS data, we created this map to show these areas, some of which can be vulnerable during an earthquake. Read our full story: Large Parts of the Bay Area Are Built on Fill. Why and Where?
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Data from the US Geological Survey from 2000 and 2006. Lisa Pickoff-White/KQED
Map by Lisa Pickoff-White. Contributions by Keith Knutson and Alexandra Kanik.
Copyright 2020 KQED