Tag Archives: southern California

Rodriguez Seamount – A Geologic Rarity

Featured Pic:  Pillow lava, a unique type of basalt rock that forms during underwater volcanic eruptions. Photo courtesy NOAA. By Samuel Georgian, Marine Biogeographer at Marine Conservation Institute   Rodriguez Seamount is a 10–12 million-year-old seamount located approximately 42 miles off the coast of southern California. It towers over a mile above the seafloor, with its tallest … Continue reading Rodriguez Seamount – A Geologic Rarity