this is just a drill but since feeling the recent 7.2 quake in mexico and seeing devastation from other recent quakes, 7.0 in haiti, 8.8 off the coast of chile and the 6.9 in china, many californians think the earth is rumbling more than normal. according to the numbers, they are right sort of. more than 80 earthquakes this year, 4.0 or higher, more than double the number in all of 2009. but sis monthly gift points out all about a handful were aftershocks from the mexican quake. if you take that into account, the numbers are about normal. what does that mean in terms of determining whether the big one is imminent? >> i can't say it's not going to happen. but i don't think it's any different than any other week or month. >> scientists may not think anything is brewing but online