Deepest untethered sea walk (female)
- Quién
- Sylvia Earle
- Qué
- 381 metre(s)
- Dónde
- United Kingdom
- Cuándo
- 19 September 1979
The deepest untethered sea walk is 381 m (1,250 ft), achieved by Sylvia Earle (USA), on 19 September 1979.
Dr. Earle was strapped to the front of a small research submersible in a JIM diving suit. Once on the seafloor, Earle untethered herself from the vehicle and explored the seabed for over two hours.