Toms Canyon impact crater

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Toms Canyon impact crater
Impact crater/structure
Diameter22 km (13.7 mi)
Age35 million years
Coordinates39°08′N 73°13′W / 39.13°N 73.21°W / 39.13; -73.21Coordinates: 39°08′N 73°13′W / 39.13°N 73.21°W / 39.13; -73.21
CountryUnited States
StateNew Jersey

The Toms Canyon impact crater is a probable impact crater where one or more asteroids struck the Atlantic continental shelf, about 160 kilometres (99 mi) east of Atlantic City, New Jersey. The submarine canyon is the drowned glacial-age mouth of Toms River.

The crater dates to the late Eocene geological time period (about 35 million years ago), and may have been formed by the same event as the larger Chesapeake Bay impact crater (and possibly the Popigai crater in Siberia), 320 kilometres (200 mi) to the southwest at the mouth of Chesapeake Bay, and also dating to the late Eocene.

Seismic reflection profiles, studied by USGS scientists, show that the crater was formed by an object or objects which struck from the southwest at a glancing angle and formed a long, oval crater. Since impact, sediment filled part of the crater, giving it its present triangular shape.

See also[edit]


  1. ^ Rajmon, D. "Impact Database 2010.1". Impact Field Studies Group. entry for "Toms Canyon". Retrieved 2015-01-02.


  • Poag, C. Wiley. Chesapeake Invader: Discovering America's Giant Meteorite Crater. Princeton, NJ: Princeton University Press, 1999. ISBN 0-691-00919-8