” Pat Abbott, a retired geological sciences professor at San Diego State University, told the Union-Tribune that Mount Soledad is made up of weak layers of rock and that the culprit in the landslide is nature.
“Gravity pulling on the incline is pulling down masses of earth and those masses of earth have houses on top of them,” Abbott told the paper. “It’s a geologically bad site and should not have been built on to begin with.”
