Prayers for his wife and the thousands of others.
So, was whatever it was they went back into the house for worth the price they paid? At 65, one would think he'd have known better. Rule #1 - never, ever go back in for anything unless it's a child. Rule #2 - see #1. Things are replaceable, people are not.
On the other hand, going back to the house may have saved his life. If he was out in the open, he would have been killed immediately. Being in the house apparently gave him protection from the initial surge and then gave him a raft to cling to.