Recently formed craters are easier to identify. Arizona's famous Meteor Crater (officially known as Barringer Crater) near Flagstaff was formed only about 25,000 years ago. Between 5 and 20 …

5 days ago · The other two are the Savonoski Crater, roughly 500 meters across, in Katmai, and a small one only 63 meters across on Amak Island north of the Alaska Peninsula. Dr. Juergen Kienle of the …

The crater is thought to have been formed during the latter part of the last ice age, about 100,000 years ago. The huge meteorite that struck the earth at this location 90 km south of Bettles may have …

Oct 6, 2005 · The Avak impact crater, located east of Barrow, measures about six miles from rim to rim. Don’t look for it from an airplane window, though. Several hundred feet of sediment covered Avak in …

Nov 14, 2018 · An international team including a researcher from the University of Alaska Fairbanks Geophysical Institute has discovered a 31-kilometer-wide meteorite impact crater buried beneath …

Mar 5, 2008 · A giant meteor may have exploded over Alaska thousands of years ago, shooting out metal fragments like buckshot, some of which embedded in the tusks of woolly mammoths and the …

Sep 9, 2019 · Now, a new study confirms it with evidence found in the hundreds of feet of rocks that filled the crater within the first 24 hours after impact. Bits of charcoal, jumbles of rock brought in by …

Nov 19, 2021 · A University of Alaska Fairbanks scientist has discovered a method for detecting and better defining meteorite impact sites that have long lost their tell-tale craters.

A volcanic origin would be expected from crater-like features in such a volcanically active area, but Savonoski crater occurs in sandstone, instead of basalt or other type of igneous rock, and it looks …

Aug 13, 2008 · Kasatochi is an unlikely source of plane diversion. Before this eruption, the 717-acre green island with slopes that rose steeply to an aquamarine water-filled crater looked like the set of a …