More than half of SoCal beaches could erode by 2100, study predicts Posted on March 28, 2017 by Los Angeles 1 Los Angeles Los Angeles News & Search 1 News - 1 eMovies - 1 eMusic - 1 eBooks - 1 Search Search for: More than half of Southern California’s beaches could completely erode back to coastal infrastructure or sea cliffs by year 2100 as the sea level rises, according to a study. 1 Los Angeles Los Angeles News & Search 1 News - 1 eMovies - 1 eMusic - 1 eBooks - 1 Search Search for: