Shark attack, 1991-12-04 (Unprovoked)
Location: Shelter Cover, north of Fort Bragg, Shelter Cove, Mendocino County, California, USA
Time: 15h06
Activity: Hookah diving for sea urchins
Victim: David Abernathy (M, age 25)
Injury: No injury, shark became tangled in hose & towed him 100'
Fatal: N
Species: 6 m [20'] white shark
Source: R. Collier, pp.129-130; Mark Marks; S. Waterman