The whole Noah story arc proves that God would totally cause storms to cleanse the evil.
Doing it Thalnos’ style and only killing/moving? the bad people isn’t God’s style. He could do it, but “God snapped his fingers and all bad people were sent to Hell, the world instantly became a better place.” Doesn’t get you a New York bestseller.
You don’t have a peanut pan to cook two pancakes at once?