Closed to the public and fenced off this area is one of the geological mysteries and has been featured in many studies and books. In 1929, a sizeable section of land in San Pedro, CA began to unexplainably fall into the Pacific Ocean. Movement was measured as high as 11 inches a day until the mid 1930s. All but two houses were saved before toppling into the ocean.
On November 20th, 2011 another portion of San Pedro, CA fell into the ocean.
"Road crumbles to the sea" www.dailynews.com/news/ci_19381161