First diver to reach 1000 feet (310 m)

Last updated: August 26, 2017 at 21:58 pm

Hannes Keller (Switzerland) and Peter Small (UK) reached the depth of 310 m (1,020 ft) off the coast of California in 1962. Small and support diver Chris Whittaker died during the dive.

Verified by Diving Almanac & Book of Records official

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