False Alarm

People gathered at Union Square in San Francisco to commemorate the 107th anniversary of the 1906 earthquake and fire, April 18, 2013. (CBS)

Suspicious Package At 1906 SF Quake Commemoration Forces Relocation

A 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.

04/18/2013

Embarcadero Center in San Francisco (CBS)

San Francisco Warning System Sounds Accidentally

San Francisco emergency officials activated a warning siren Sunday afternoon, triggering some confusion among residents.

08/26/2012

Shell Gasoline

Martinez Shell Refinery False Alarm Leads To Sirens, Shelter-In-Place Warning

A false alarm was sent out Wednesday morning by Contra Costa Health Services warning Martinez residents that there was an emergency at the Shell refinery.

08/08/2012

credit:  www.alcatrazcruises.com

San Francisco’s Alcatraz Evacuated After False Fire Alarm

Tours 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.

CBS San Francisco–05/01/2011

(AP)

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.

CBS San Francisco–04/12/2011

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