Tag: alaska

Crocodile-relative ‘hypercarnivore’ from prehistoric Patagonia was over 3 meters long and weighed 250 kilos

PALEONTOLOGY
A newly discovered species of a large, crocodile-relative predator has been described via a remarkably well-preserved fossil from Argentina, according to a study published in PLOS One by Fernando Novas from Museo Argentino de Ciencias Naturales...

The hidden chemistry of Earth’s core is revealed by how it froze

EARTH
A study by researchers at the University of Oxford, University of Leeds, and University College London has identified a new constraint on the chemistry of Earth's core, by showing how it was able to crystallize millions...

NASA to launch three rockets from Alaska in single Aurora experiment

ASTRONOMY
Three NASA-funded rockets are set to launch from Poker Flat Research Range in Fairbanks, Alaska, in an experiment that seeks to reveal how auroral...

Earthquakes are rumbling under Alaska volcano, officials say: Is it about to erupt?

EARTHQUAKES
A volcano near Alaska's most populous city is showing signs it could be headed toward an eruption, officials said. Mount Spurr, which sits about 75...

Earthquakes under a volcano near Alaska’s largest city raise concerns

EARTHQUAKES
An increase in the number of earthquakes under a volcano near Alaska's largest city this year has geologists paying attention. Mount Spurr, about 80 miles...

Coastal retreat in Alaska is accelerating because of compound climate impacts, researchers warn

CLIMATE
The overlapping effects of sea level rise, permafrost thaw subsidence, and erosion may lead to land loss in Arctic coastal regions that dwarfs the...

Archaeological remains in Alaska show humans and dogs bonded 12,000 years ago

PALEONTOLOGY
"Dog is man's best friend" may be an ancient cliché, but when that friendship began is a longstanding question among scientists. A study led...

A million years without a megaslide: Study goes deep into the Gulf of Alaska to investigate why

EARTH
Earthquakes, volcanic activity, and sediment flux can trigger underwater landslides known as submarine slides, which can translate to tsunamis on the surface. Megaslides are...

First seismic network installed on Alaska’s reawakened Mount Edgecumbe volcano

VOLCANOES
Mount Edgecumbe volcano in Southeast Alaska has become the latest addition to the Alaska Volcano Observatory's ground-based monitoring network. An observatory team in early...

Ash from Russian volcano prompts Alaska flight cancellations

VOLCANOES
Alaska Airlines canceled about two dozen flights in its namesake state Thursday because of an ash cloud from a volcano in Russia, the Seattle-based...

Swarm of quakes at Alaska volcano could mean eruption coming

VOLCANOES
A swarm of earthquakes occurring over the past few weeks has intensified at a remote Alaska volcano dormant for over a century, a possible...

Quake swarms at neighboring Alaska volcanoes raise concerns

VOLCANOES
Not one but two volcanoes on the same island in Alaska's Aleutian chain were rocked by earthquakes on Friday, prompting concerns about a possible...

Alaska study compares ground motion, magnitude estimates from satellite and seismic records

OCEANOGRAPHY
When it comes to making a rapid estimate of ground motion and moment magnitude for an earthquake, using data from Global Navigation Satellite Systems...

New study calculates retreat of glacier edges in Alaska’s Kenai Fjords National Park

ENVIRONMENT
As glaciers worldwide retreat due to climate change, managers of national parks need to know what's on the horizon to prepare for the future....
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