City staff said they had been tackling management of the shallower slide areas individually, but that strategy will have to change.
City leaders of Rancho Palos Verdes learned they are dealing with land movement from a much deeper active slide plane than previously thought, leading to mitigation efforts to expand beyond the Portuguese Bend landslide area.In a Portuguese Bend Landslide update Tuesday evening, Mike Phipps, the city's geologist, said that while the landslide's movement has leveled off at 3.5 to 4.5 feet per month, a much deeper slide is moving much faster.
' The five shallow slide areas, including the Portuguese Bend Landslide Complex, the Abalone Cove Landslide Complex and the Klondike Canyon Landslide Complex, and Beach Club Landslides, are all sitting on top of the Ancient Altamira Landslide Complex.The Portuguese Bend location, where SoCal Gas cut off service to over 130 homes to protect public safety, will no longer be addressed independently, city staff said.
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