In some areas of the Earth there’s a chance that someone might feel or hear a gentle bump. A more interesting question might be “can you weaponize hopping?”There is some precedent for shock waves alone doing damage. Both Mercury and Saturn’s moon Mimas have suffered massive impacts (the Caloris and Herschel impacts respectively) that created shock waves that moved through/around them and focused on the far side, causing geological scale damage (Allegedly. Depending on how high the people of the world are willing to jump (without injury), we can generate energy on the order of approximately 1-2 kilotons of TNT. Now say that the entire world decides that Paris has created more than enough high art, and needs to be dealt with.