I think we just experienced an earthquake here in Cincinnati.
At 5:40am, our house shook for about 20 seconds as if there was a huge wind gust, but there was no noise from outside and the trees weren't moving at all.
It's been about 25 years since our last one (there's a fault line in Kentucky) and, if this was another one, it certainly was a surprise.
Update: Apparently, it was centered in Illinois.
Enquirer.com
Welcome to the club!
My Louisville relatives claimed there was an aftershock around 11am that day.