Newport – Inglewood fault zone 1933 Long Beach Earthquake Occurred March 10, 1933, 5:54 PM (timing is everything) M 6.4 120 fatalities 120 schools in Long Beach area, 70 destroyed $50M (1933 dollars)
AFTERMATH 1933 - Enactment of the Field Act. Enacted as an on April 10, 1933 one month after the earthquake. 1939 - Enactment of the Garrison Act. Enacted in order to protect public school children in structures built before 1933. However, school districts not required to make necessary inspections. 1967 to Present - Various amendments. Schools required to make necessary inspections and retrofitting or abandonment of unsafe structures. Geologic investigations required in Alquist-Priolo Zones. Many other modifications….
Provisions of the Field Act Authorizes the State Architect to develop state-wide building code. Division of the State Architect (DSA) given authority to approve or reject plans for construction of new schools and alterations to existing buildings. California-licensed architect or structural engineer responsible for preparation of plans. DSA reviews plans and issues certificate of compliance once project is approved. Violation of the provision of the Act is a felony.
CGS Role in the Field Act Under contract to DSA to review geotechnical and geological aspects of school sites Surface fault ruptureLiquefaction Landslides Seismic Design (Ground motion)