Thankfully most meteor debris from space that lands in Australia lands in the outback, and not in suburban areas where the damage could be horrendous. Space debris and meteors can land anywhere such as the Canadian tundra, the Pacific Ocean, Australia, Antarctica and deserts.
https://www.britannica.com/science/meteorite/The-ages-of-meteorites-and-their-components
This is the way scientists date meteorites or rock
