Rotation changed, not the orbit. WORLD SUCK/BLOW DAY
Russ is right, the rotation of the Earth is affected by these quakes. We can control the rotation of the earth, but not the orbital path, because the Earth mass as a whole is still traveling in the same path even though the rotational path...
Simple Conservation of Energy
Conservation of energy is the only issue here. Observing the Earth (and all of its inhabitants and atmoshphere) as one mass, the only way to change the orbit is if it is acted upon by an outside force. So either external gravity/impact/force could change the...