Actually it depends on the type of structure. Newer or retrofitted hospitals, airports, bridges, and other essential facilities are designed to remain functional and hence habitable. That is why many of the newer versions of those structures have seismic isolation systems.

You run of the mill house gets bolted to the foundation and gets sheer walls.

https://www.sfgate.com/news/article/SFO-getting-the-latest-i...

https://en.m.wikipedia.org/wiki/Seismic_base_isolation

SFO International Terminal, several hospitals in the Bay Area, SF City Hall etc... all have these systems.