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Experts present 1906 repeat scenarios, warn Bay Area could face extensive damage and displacement
Summary
A technical presentation at the Board of Supervisors meeting outlined modeled ground motions for the 1906 earthquake and a magnitude 7.9 San Andreas scenario, estimating tens of thousands of displaced households and tens of billions in building losses across the Bay Area.
A presentation at the Jan. 5 Board of Supervisors session laid out technical findings from recent modeling of a repeat of the 1906 San Francisco earthquake and a separate M 7.9 scenario on the San Andreas Fault.
The presenter (identified in the meeting transcript as an Earthquake Professional) summarized the results of a comprehensive analysis of historical and modeled ground motions, using HAZUS and other seismic simulation tools. The study estimated large regional losses: for example, the presenter reported an estimated 10,000 damaged…
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