There's no such thing as earthquake weather, but with yesterday's 3.0 and today's 4.0, it gives some people the jitters. Early this morning at 2:41 a.m., the 4.0 shaker struck 6 miles northeast of Yucaipa in the San Bernardino County. There were no reports of injuries or damage. But this one has got us thinking. Here's some food for thought: what if the big one happens and you're in bed with the flu?