Jacob Margolis covers science for the LAist and KPCC newsroom.
If you're enjoying this article, you'll love our daily morning newsletter, How To LA. Every weekday, you'll get fresh, community-driven stories that catch you up with our independent local news.since the city of Rancho Palos Verdes started drilling bore holes as part of a long-term effort to slow the Portuguese Bend landslide, which has accelerated in recent years and is threatening a number of neighborhoods in the area.
The idea is that water's been getting trapped by layers of thick and sticky clay, adding weight to the hillsides. Once they locate the water, they'll start to pump it out with hydraugers — the hope being that as the weight is relieved, the slide will slow.The groundwater level is a bit shallower than anticipated, and the slide zones are a bit deeper, according to David Copp, deputy director of public works for the city.
Landslide Drilling Geyser Water Boreholes Hydraugers Soil Artesian Well
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