The tremors didn't result from Khan's physical prowess. He was strong, stronger than many, but there was a limit to how much his punches could achieve, especially without relying on mana and martial arts.
However, Khan's element had always been technology's worst enemy. His presence could make artificial lights and menus flicker, and his mood swings could directly fry them. A simple cloaking dome in that remote side of the universe was bound to be far worse off.
Khan had contained himself, only releasing a tinge of his influence with his knocks. The colony probably lacked chaos-resistant equipment, and Khan didn't want to destroy its dome accidentally. Still, the tremors spread farther than he had expected, telling much about the structure's brittle nature.
'Can I even enter it without destroying it?' Khan wondered, worried that his presence could be too much for that outdated structure.
