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

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.