Loma Prieta Earthquake
The Nimitz Freeway, in Oakland, California, experienced catastrophic damage during the 1989 Loma Prieta Earthquake. Entire sections of the upper deck of the freeway collapsed directly on the lower deck, instantly crushing more than two dozen cars and their occupants.
Photograph by Joe Lewis, courtesy Wikimedia. This file is licensed under the Creative Commons Attribution-Share Alike 2.0 Generic license.