Crossword Genius

Point directly under explosion (6,4)

Ross

I believe the answer is:

ground zero

(Another definition for ground zero that I've seen is " brand new start".)

I've seen this clue in the Sydney Morning Herald.
Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.