It’s not just toxic chemical waste and mysterious barrels that litter the seafloor off the coast of Los Angeles ... 300 hours — capturing as many images as possible with high-resolution ...

The seafloor offshore of this remote stretch of the Central California coastline has historically been one of the least-studied regions of the continental margin off the west coast of North America.

The wind turbines planned off the San Luis Obispo County coast would be similar to ... The equipment emits pulses of sound that create images of the seafloor. The multibeam echosounder and sub ...