Erosion continued behind the buildings along Esplanade Ave in Pacifica, CA. Most notable, and downright scary, is a nearly unsupported patio behind 340 Esplanade. (Click an image for a larger version.)

For a complete chronology and links to many more photos see Evacuation underway at 330 Esplanade:

http://adequatebird.com/2009/12/17/evacuation-underway-at-330-esplanade/

See all of my pictures of the Esplanade crisis:

http://www.flickr.com/photos/chrisd2006/collections/72157622920945823/