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The collapse occurred around 5:30 a.m. in the 5300 block of Pondosa Avenue as a rain storm pounded the region, officials said. When the soil gave way, it left the home teetering precariously above the Rubio wash.
Officials with the Alameda Corridor-East Construction Authority, which is conducting the construction project behind the home, said the torrent of storm runoff washed away a temporary concrete wall that had been built to control water during the project.
The authority is putting the family up in a hotel while authorities work to secure the property.
The homeowner, Ona Hu, told CBS2 that when the collapse occurred, she thought it was an earthquake.
Residents of several other nearby homes were also evacuated to ensure no other structures were impacted by the collapse.
No injuries were reported.
— City News Service