Stiffer building codes in the Los Angeles basin may come in the near future as a result of a new study completed by University of Nevada, Reno seismologists of an anticipated large thrust-fault earthquake.
"Our study in Californias Kern County is a good indicator of what could happen in Los Angeles because the geology of the areas is so similar," said James Brune, seismology pioneer and University Foundation Professor. The conditions, he said, would indicate "high motion" in Los Angeles.
His teams study in Kern County is a scenario for a large earthquake in the Los Angeles basin because the downtown portion of the city is on the hanging-wall of the Puente Hills thrust fault. The study involved looking at what levels of peak ground acceleration were necessary to topple a balanced rock or a rigid transformer. Their conclusions reinforce that the hanging-wall side of large thrust-fault earthquakes experience more extreme motion and, therefore, more damage than the footwall side.
Katie Hall | EurekAlert!
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