A portion of the Palos Verdes Peninsula in Los Angeles County is slipping toward the Pacific Ocean as much as 4 inches per week.

The Palos Verdes Peninsula in Los Angeles County, California, is sliding toward the Pacific Ocean at a rate of four inches per week, according to recent data from NASA's Jet Propulsion Laboratory. This alarming movement was observed over a four-week period last fall,

The residential area shifted toward the Pacific Ocean as much as 4 inches — per week — during a four-week period last fall.