Answer:
I shift around though always slowly. I never move more than a few inches at a time. A large movement by me can kill many people. I am huge yet unseen by humans.
What is shaped like a box, has no feet, and runs up and down?
The more you work the more I'll eat.You keep me full I'll keep you neat.
I have an eye but cannot see. I take time to generate and can dissipate in seconds. What am I?
A hole in a pole. Though I fill a hole in white I'm used more by the day and less by the night
I start with T end with T and within me is T.