David A Clague¹, Ryan A Portner², Jennifer Brophy Paduan¹, Morgane Le Saout³ and Brian M Dreyer⁴, (1)Monterey Bay Aquarium Research Institute, Moss Landing, CA, United States, (2)San Jose State University, Geology, San Jose, CA, United States, (3)Monterey Bay Aquarium Research Institute, Watsonville, CA, United States, (4)University of California Santa Cruz, Santa Cruz, CA, United States