Suspicious Package At 1906 SF Quake Commemoration Forces RelocationA suspicious package near the site of the 1906 San Francisco Earthquake commemoration ceremony on Market St. Thursday morning forced an early-morning gathering of a couple of hundred people to move to Union Square, police said.
San Francisco Warning System Sounds AccidentallySan Francisco emergency officials activated a warning siren Sunday afternoon, triggering some confusion among residents.
Martinez Shell Refinery False Alarm Leads To Sirens, Shelter-In-Place WarningA false alarm was sent out Wednesday morning by Contra Costa Health Services warning Martinez residents that there was an emergency at the Shell refinery.
San Francisco's Alcatraz Evacuated After False Fire AlarmTours of Alcatraz Island were canceled after a false fire alarm Sunday afternoon prompted the evacuation of about 1,100 people from the popular San Francisco tourist attraction.
False Alarm Siren Puts Richmond On Edge A malfunction caused an emergency warning siren to sound for about half an hour in Richmond Tuesday morning, Contra Costa Health Services officials said.