I felt this one and told someone it was a 4.3; I was close. This earthquake hit in Lafayette, CA as its center. While in the report below, the research claims there's no cause for alarm, I disagree. These things are coming more frequently, and its a matter of time before we get a good sized one and its not far off. LAFAYETTE 4.2 quake jolts Bay Area -- no link to last week's temblor Keay Davidson and Wyatt Buchanan - SFGate.com Thursday, March 1, 2007 (03-01) 22:02 PST -- A 4.2 magnitude earthquake near Lafayette shook the Bay Area, just one week after a smaller quake in the same region. There's no cause for alarm, however, and judging by preliminary evidence, the Thursday evening quake is just another reminder of continual slippage on Bay Area faults, a leading U.S. Geological Survey expert said. "This is just a reminder that we all should ask ourselves, 'Do we have an earthquake kit in the car?' " USGS geophysicist Ross Stein told The Chronicle lat