Sixteen minor tremors (not a big deal for California, I know) in the past 24 hours. But all of them are on or very near the San Andreas fault-line system Between the San Mateo and King City areas. The southern area of the fault in California (Salton Sea vicinity) has its normal cluster of minor events. You need to select "1 day, All magnitudes US" from the settings icon to see this interesting pattern. If you select "7 days, All magnitudes US", the map displays a similar pattern. But activity at the northern end seems to have picked up a...