Derivative mapping: A cloud of aftershocks following the 2003 San Simeon Quake. A v
form behind the cloud ends at the bottom of the image with stretched
photomontaged images of rags on the ground at an abandoned mobile
home site in California Valley, 2004. A magnitude 6.5 earthquake
struck the central California coast on December 22, 2003 at 11:15:56
am (PST) .Approximately 600 aftershocks above M1.8, and 80 above
M3 were recorded in the first 24 hours since the mainshock. http://www.cisn.org/special/evt.
03.12.22/prelimreport.html.