A large impact crater beneath Hiawatha Glacier in northwest Greenland.
Kurt H Kjær,
Nicolaj K Larsen,
Tobias Binder,
Anders A Bjørk,
Olaf Eisen,
Mark A Fahnestock,
Svend Funder,
Adam A Garde,
Henning Haack,
Veit Helm,
Michael Houmark-Nielsen,
Kristian K Kjeldsen,
Shfaqat A Khan,
Horst Machguth,
Iain McDonald,
Mathieu Morlighem,
Jérémie Mouginot,
John D Paden,
Tod E Waight,
Christian Weikusat,
Eske Willerslev,
Joseph A MacGregor
May 28, 2020
We report the discovery of a large impact crater beneath Hiawatha Glacier in northwest Greenland. From airborne radar surveys, we identify a 31-kilometer-wide, circular bedrock depression beneath up to a kilometer of ice. This...