Here's something to worry about

Stone Canyon Reservoir above UCLA

Scene from "Chinatown"

Did you know that in the hills of Bel Air above UCLA, there are two reservoirs? Even if you didn't know, you may have seen the movie "Chinatown" where they were one of the filming locations. (See the still from the movie at the right.) Anyway, in the event of a major earthquake, there is a risk of dam failure according to an official survey with "inundation" of the Westwood area. See below (and ignore the fact that the authors of the survey don't know the difference between "affects" and "effects"):

Source of excerpt above: 

https://planning.lacity.org/HousingInitiatives/HousingElement/FrameworkEIR/GPF_DraftEIR/GPF_FEIR_DEIR2.17_p36-70.pdf [p. 2.17-49]

"CPA" = Community Plan Area.