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Post-Earthquake Damage Evaluation of Facilities

Rapid response to three main shock sequences

Project Facts

Location Los Angeles and Orange County, California
Owner Judicial Council of California


Following the 2019 Ridgecrest earthquakes, we evaluated six Judicial Council of California (JCC) facilities to determine if there were damages or any life safety issues. Response time was critical due to potential public risk, and we were in the field soon after.

About the project

The earthquakes occurred on July 4th and 5th northeast of Ridgecrest, California (approximately 120 miles north-northeast of downtown Los Angeles). The sequence included three main shocks of Mw magnitudes 6.4, 5.4, and 7.1. Earthquake-related damage was reported at some JCC facilities.

Walter P Moore performed a visual assessment and determined if each facility was safe to reopen or if there were any concerns which needed to be mitigated. Walter P Moore prepared a report with photo documentation identifying non-structural components which were damaged by the earthquake and provided conceptual repair recommendations for the damage observed. In addition, Walter P Moore provided the client with a building identification tag per the ATC-20 standards stating whether it was safe to re-occupy. 

The buildings reviewed included:

  • Orange County Central Justice Center, Santa Ana, CA
  • Orange County North Justice Center, Fullerton, CA
  • LA County Stanley Mosk Courthouse, Los Angeles, CA
  • LA County El Monte Courthouse, El Monte, CA
  • LA County Compton Courthouse, Compton, CA
  • LA County Van Nuys Courthouse East, Van Nuys, CA
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