Remember that earthquake we had last week? You know, the 5.4 magnitude that struck just before lunchtime and had tall office buildings swaying on their rollers, grocery stores seeing items topple from shelves to the floor, and the media scrapping all other programming for non-stop post-quake coverage. Yeah, that one. Well, if you felt it, the US Geological Survey wants to know about it. So far, according to the OC Register's Sciencedude, "more than 40,000......