Would she feel the vibration of the person coming up behind her?

He might simply be feeling sound vibrations through his feet.

The floor no longer moved, although she still felt vibrations.

He could no longer feel the vibrations of the men.

At times you could feel the vibrations for miles about.

It must have felt the vibration when the woman sat down.

He felt the deep vibration of the power as it increased.

Just then Data felt the vibration of the ship change.

Even as she spoke he felt the vibrations running up and down his arm.

One man kept it in his back pocket so he could feel the vibration.