I imagine it would be close to walking on sand; you would probably leave a small depression, but not sink. While it is liquid, it's still rock. I'll leave to someone better in physics to do the math to prove it.
Madness string 101910
Sometimes I'll put it on C-SPAN, but that's so massively uncivilized that I'd feel better about it if it included more swearing and less manners. It's like watching people in their Sunday best have a knife fight in an alley while sipping tea, but less honest and more surreal.