No change, Earth’s gravity is constant and uniform.
Increase, you are closer to the center
Increase, there is more pressure.
Increase, closest to the densest area.
Decrease, more mass above you and less beneath you.
Increase, closest to the source of gravity.
References interaction with magnetic field
Discusses influence from other celestial bodies
No change, Earth’s mass is the same.
Increase, smaller radius from center.