Warm to hot Tuesday

Tuesday will be the hottest day of the week. Highs should range from the low 80s to 102 well inland. A Spare the Air Alert has been issued for the Bay Area. A cooler system will approach the Bay Area Tuesday night. Shower and thunderstorm chances will be increasing by Wednesday. Update: The National Weather Service issued a Heat Advisory for parts of the Bay Area (Tuesday: 11 am to 7 pm). The advisory will be in effect for San Francisco, the Peninsula, South Bay, and the East Bay.

Did you feel it? Science behind earthquakes

John Ebel, senior research scientist at Boston College, and expert on earthquake hazards and forecasting, gives insight on 4.3M earthquake that struck near Claremont Hotel in Berkeley.