The issue should be framed as what are the chances your home or workplace will collapse during a major earthquake.

I believe a reasonable person will conclude taking reasonable precautions to supplant overwhelmed first responders is the only investment a person need to actually plan in event of a nearby major earthquake.

To believe your family will be harmed by a collapsed building in California is unreasonable hysteria.

Our construction standards have been upgraded to survive the quake.

The few block radius of destruction is infinitesimally small to predict.