https://www.siliconvalley.com/2023/06/13/why-the-hayward-fault-is-the-epicenter-of-debate-over-housing-goals-vs-earthquake-risk/

A large crack running through the former Fremont City Hall is a stark symbol of the risks and realities of living in earthquake country — and the powerful forces that lie beneath our feet in the Bay Area.

The building in the southeast corner of Fremont’s Central Park is a nondescript, one-story tan structure. It is unremarkable, except in one way: Fremont’s old city hall, now a community center, was built on top of the Hayward Fault.