The three-masted, wooden-hulled steamship Central America sank in 1857 during a hurricane 370 km east of Savannah, Georgia. During a recovery project begun in 1988, the unmanned research submersible Nemo equipped with video and still cameras filmed a 6-m-long, male Greenland shark Somniosus microcephalus at the 2,200-m-deep wreck site. The depth is 1,000 m deeper than the maximum reported depth for this species. The Savannah location is 440 km further south than the previously known North Carolina records for the Greenland shark.
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Herdendorf et al. (1995) studied this question.