When Nicole was growing up, her grandmother always told her: Don't live anywhere built on fill. Her uncle also had strong memories of watching the Marina burn after the 1989 earthquake — when parts of the ground liquefied, causing buildings to collapse and gas lines to break.

Nicole wants to follow her grandmother's advice, but she needs to know a few things: "What neighborhoods and cities in the Bay Area are built on filled land? And what are those cities and neighborhoods doing to mitigate the risk of liquefaction?"

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Credits

Reported by Kelly O'Mara. Bay Curious is made by Olivia Allen-Price, Jessica Placzek, Katie McMurran and Rob Speight. Additional support from Julie Caine, Paul Lancour, Don Clyde, Carly Severn, Christopher Cox, Bianca Hernandez, Kyana Moghadam, Suzie Racho, Ethan Lindsey, Vinnee Tong and Holly Kernan.