Cover Reveal: The Earthquake Machine

I was contacted to review The Earthquake Machine awhile back and still haven't gotten around to it.  I've heard great things about it in the time since then, so I know I'm going to have to get to it soon.  What I did notice right away was the original cover seemed... I don't know.  Strange?  Today I found out there's a new cover and it really seems to fit the novel's genre a LOT better.  Take a look!

For the record here's the old cover:

What do you think?  Do you like the old or new cover better?  Let me know!