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Land movement in Rancho Palos Verdes increases after recent rainfall
Topline:
Land movement has increased in the Rancho Palos Verdes landslide area after historic storms over the recent holidays.
Why it matters: City officials said in some parts of the ancient landslide in the Portuguese Bend area of the city, land movement increased to 2 inches a week, that’s up from the average 1.74 inches per week.
How we got here: Movement was minimal in the landslide complex for decades. But above average rainfall in 2022 and 2023 set off a rapid increase in movement — up to 1 foot a week in some places — which prompted Southern California Edison and SoCalGas to shut off utilities for hundreds of residents.
The context: Those storms have forever changed the area. Some residents have lifted their home from its foundations, others have moved out and the city’s eventual plan is to buy out all the destroyed homes in the area and convert it to open space. A buyout program is underway for some of the homes.