EARTHQUAKE!?

3.9 on the Rictor(sp?) scale. That's right; my wife woke me up saying, "I think there's an earthquake!" I responded with "That's nice. I've got to get some sleep." I fully believed her but didn't care. Am I overlystimulated and numb to real natural phenomenon or what! Thinking about it the morning after, I really wish I had gotten out of bed and felt what it was like to have the ground shake all around me.