The answer for most people is no. Most people in the US can't believe a major disaster could hit this country or at least on a scale that we've seen in Chile, New Zealand or Japan.
Many of us in tornado alley have put little to no thought in surviving a tornado. Time to plan now. Plan on making going at least 3 days without outside help that includes food, water meds etc.
Do you have alternate meeting place that you family can rally in the event your neighborhood is destroyed. Speaking of meeting places, where will your family meet in the event of a fire? It beats dad running back into the house looking for someone who is already outside on the other side of the house.
Time to plan it out before a disaster visits your town....