Drake M Singleton^1,2, Jillian M Maloney¹, Daniel S Brothers³, Neal W Driscoll^2,4, Ray W Sliter³ and Jared Kluesner³, (1)San Diego State University, Department of Geological Sciences, San Diego, CA, United States, (2)Scripps Institution of Oceanography, La Jolla, CA, United States, (3)USGS Pacific Coastal and Marine Science Center Santa Cruz, Santa Cruz, CA, United States, (4)University of California San Diego, La Jolla, CA, United States