January 10, 2018
Denali's Asian dinosaurs
“Paleontologists have long hypothesized that a land bridge between present-day Siberia and Alaska served as a gateway for fauna to migrate …
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Alaska
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18 articles · Page 1 of 1
November 9, 2017
Alaskan subduction zone mirrors Tohoku zone that unleashed tsunami
In 2011, a large swath of coastal Japan was devastated and more than 15,000 people were killed when the magnitude-9.1 Tohoku earthquake unleashed …
October 18, 2017
Ice (Re)Cap: November 2017
From Antarctica to the Arctic; from polar caps, permafrost and glaciers to ocean-rafted sea ice; and from burly bears to cold-loving microbes, …
September 20, 2017
Down to Earth With: Alexander Stewart
Sgt. Alexander Stewart was brought up to believe serving in the military was an obligation all young men should fulfill. In 1991, at the age of …
March 14, 2017
Early spring thaw triggers Arctic greenhouse gas release
During the few short months of Arctic summer, plants and animals race to grow and reproduce, fueling the most active time in the Arctic carbon …
July 6, 2016
Benchmarks: July 9, 1958: Megatsunami drowns Lituya Bay, Alaska
The recent disaster in Japan demonstrates the incredible destructive power of a megatsunami in a heavily populated area. But a record-breaking …
May 16, 2016
Buried sands tell of tsunami hazard from creeping megathrust fault
A slow-moving portion of the Alaska-Aleutian Megathrust Fault near Alaska’s Dutch Harbor appears more capable of generating sizable tsunamis …
April 21, 2016
Fish evolved quickly after earthquake
Evolution is often thought of as occurring over very long timescales, but as a tiny Alaskan fish demonstrates, significant changes can take place …
April 21, 2016
First all-digital geologic map of Alaska released
When it comes to natural beauty, Alaska’s rugged, massive landscape is an embarrassment of riches, with towering mountains and lush forests, …
April 13, 2016
Ice (Re)Cap: April 2016
From Antarctica to the Arctic; from polar caps, permafrost and glaciers to ocean-rafted sea ice; and from burly bears to cold-loving microbes, …
September 3, 2014
Alaskan megathrust fault more active under Kodiak
In 1964, a magnitude-9.2 earthquake ruptured two segments of the Alaskan megathrust fault along more than 900 kilometers from Prince William …
July 28, 2014
Augustine Volcano's earthquakes and explosive eruption caused by a clogged conduit
Located 280 kilometers southwest of Anchorage, Augustine is one of the most active volcanoes in the volcanically active state, erupting every 10 …
February 20, 2014
Benchmarks: March 27, 1964: The Good Friday Alaska Earthquake and Tsunamis
During the Cold War, many Americans lived in fear of the day their town would be shaken by an atomic bomb blast. On Good Friday 1964, some …
September 4, 2013
Tackling "Boundary Faults" across the Alaska-Yukon border: A report from the field
Our two dusty trucks roll across the airstrip, casting long, late-May shadows down the runway. We spot our colleagues from the Yukon Geological …
January 5, 2012
USGS finds giant gas hydrate deposits on North Slope
Buried beneath Alaska's North Slope are about 85.4 trillion cubic feet of technically recoverable natural gas hydrates, according to a new U.S. …
January 5, 2012
Testing methane's potential on the North Slope
Buried beneath the gigantic swath of desolate tundra that forms Alaska’s North Slope are some of the nation’s biggest hydrocarbon resources. For …
January 5, 2012
Scientists assess Redoubt's fury
After a series of five explosive eruptions from Sunday night through Monday morning, Alaska's Redoubt volcano quieted for about 15 hours Monday …
January 5, 2012
Alaska's Mt. Redoubt erupts at last
Blogging on EARTH After months of threatening and rumbling, Mount Redoubt finally erupted late Sunday night. Redoubt began to exhibit increasing …