They'd landed roughly about the same time and that was just fine. Though, Clark normally didn't go as fast as he could with flying. Breaking the sound barrier would draw more attention than them flying around. He surveyed the area before giving a nod to himself. So much had been destroyed in the earthquake and tsunami.
Moving to the other side of the street, the Kryptonian does the same exact thing that his cousin does. Gets the debris out of the street and somewhere that it wouldn't land on anyone. In the end? They could turn the stone to dust. That way it couldn't be used against anyone else.
"When we get further in, we should check to make sure no one got stuck."