Los Angeles firefighters were called to the scene in San Pedro just before 2 a.m. for a cliff rescue.
When they arrived they found one deceased person at the bottom of the cliffs and a second person with injuries. The injured person was brought to a local hospital.
They were unable to airlift the body because of low visibility but another land-based rope rescue crew was brought in.
The deceased person was described as a woman around 26 years old who apparently fell about 100 feet down the cliff.