Incident Summary:

9/4/1970: Unknown perpetrators threw a bomb at the Orange County Courthouse in Santa Ana, California, United States. The device failed to explode.

GTD ID:
197009040005

When:
1970-09-04

Country:
United States

Region:
North America

Province/administrative
region/u.s. state:

California

City:
Santa Ana

Location Details:
Thrown in front of building

Attack Information
Type of Attack (more) Bombing/Explosion
Successful Attack? (more) No
Target Information (more)
Target Type: Government (General)
Name of Entity Orange County Courthouse
Specific Description Orange County Courthouse, Santa Ana California
Nationality of Target United States
Additional Information
Hostages No
Ransom No
Property Damage No
Weapon Information
Type Sub-type
Explosives Dynamite/TNT
Weapon Details
Bomb consisting of a half stick of dynamite thrown at the building
Additional Information
Suicide Attack?No
Part of Multiple Incident?Yes
Criterion 1 (more) Yes
Criterion 2 (more) Yes
Criterion 3 (more) Yes
Additional Information The bomb was thrown from about 35 feet away from the courthouse and landed within 5 feet of the building. The device was discovered by a security officer at 9:35 PM. It is believed that the bomb was thrown around an hour earlier. The Orange County Courthouse had received many bomb threats during the year, however, there were none before this incident. Hours after the incident, a bomb exploded in the Hall of Justice in Los Angeles (197009050002).
Perpetrator Group Information
Group Name Claimed Responsibility
Left-Wing Militants (suspected) No
Perpetrator Statistics
Number of Perpetrators Unknown
Number of Captured Perpetrators Unknown
Casualty Information
Total Number of Casualties 0 Fatalities / 0 Injured
Total Number of Fatalities 0
Number of U.S. Fatalities 0
Number of Perpetrator Fatalities 0
Total Number of Injured 0
Number of U.S. Injured 0
Number of Perpetrators Injured 0
Sources
"Guard Discovers Unexploded Bomb Next to Courthouse," Los Angeles Times, September 9, 1970.
"Bomb Thrown at Orange Courthouse," Los Angeles Times, September 9, 1970.
Marcia McKnight Trick, "Chronology of Incidents of Terroristic, Quasi-Terroristic, and Political Violence in the United States: January 1965 to March 1976," National Advisory Committee on Criminal Justice Standards and Goals: Report of the Task Force on Disorders and Terrorism, 1976.