Tag Archive for 'Hiawatha Glacier'

Photo from fieldwork at the edge of the Greenland Ice Sheet in 2019. Image credit: Pierre Beck.

Enormous Asteroid Crater in Greenland is 58 Million Years Old, Scientists Say

Mar 11, 2022 by News Staff

The 31-km- (19.2-mile) wide Hiawatha impact structure is located beneath Hiawatha Glacier in northwestern Greenland. Photo from fieldwork at the edge of...

Just 114 miles from the recently-discovered Hiawatha impact crater under the ice of northwest Greenland, lies a possible second impact crater. The 22.7-mile-wide feature would be the second crater found under an ice sheet, and if confirmed, would be the 22nd-largest crater on Earth. Image credit: NASA’s Goddard Space Flight Center / Jefferson Beck.

Scientists Find Possible Second Subglacial Impact Crater in Northwest Greenland

Feb 12, 2019 by News Staff

Following the discovery of the 19.2-mile (31 km) wide Hiawatha impact crater beneath the northwest margin of the Greenland Ice Sheet, Dr. Joe MacGregor...

This is a photo illustration of the airplane during the survey, radar waves and the actual radar image. Image credit: NASA.

Geoscientists Find Large Impact Crater in Greenland

Nov 15, 2018 by News Staff

An international team of geoscientists from the United States, Canada and Europe has discovered a large impact crater beneath the Hiawatha Glacier in remote...