Aftershocks

Sometime between 12:30 and 1:00, I was awakened by the rattling of our bedroom door. Last time that had happened, we experienced an earthquake. I sat up in bed thinking that I must be imagining it. I live in Indiana, surely I wouldn't experience two earthquakes in the course of a week. I had convinced myself it was a dream until I heard the news say that there had been a pretty big aftershock (4.6). The good news is that we have our own earthquake detection device, the bad news is that now I worry about earthquakes!