I try to be prepared as possible, at least for covid there was a little warning, I was extremely concerned late Jan. '20 and bought extra TP/paper towels/razors before everything went crazy. For a volcanic eruption there is little to no warning so having essentials on hand seems pretty important. I went to school/knew alot of Mormons and used to poke fun at them for having so much canned food(the church mentions stocking up on a years worth of food) and that doesn't seem that out of line now.