Well I don't really know what group I fall into because I couldn't tell you how close I was. All I know is it was the loudest noise I've ever heard and I felt t

Well I don't really know what group I fall into because I couldn't tell you how close I was. All I know is it was the loudest noise I've ever heard and I felt the ground shake. Never been in an earthquake so it's the also the only time I've ever felt the ground shake. But 50 meters? 500 meters? No clue.