Despite avian distractions and dreadful weather, a research cruise to map the seafloor off Alaska revealed new insights into the Queen Charlotte Fault.
Alaska
Posted inNews
“Fingerprinting” Volcanic Tremors May Help Forecast Eruptions
Volcano seismic waves produce distinct tremor patterns, or "fingerprints," shared by different kinds of volcanoes.
Posted inNews
Administration Official Sees Alaska Offshore Drilling Ahead
At a recent forum, leaders laid out some interdependent energy, environmental, infrastructure, and military issues coming into play in a more navigable Arctic region.
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Aquatic Plants May Accelerate Arctic Methane Emissions
About two thirds of the gas produced by a study area near Barrow, Alaska, came from increasingly abundant greenery covering only 5% of the landscape, researchers estimate.
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New Digital Maps Depict Alaska in Unprecedented Detail
The Obama administration plans to release high-resolution terrain models in 2017 for the entire Arctic.
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Surveying Alaskan Minerals from Afar
By using hyperspectral imaging, researchers test their ability to find copper in remote areas.
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Tougher Guidelines Issued for Alaska Offshore Drilling
The regulations will reinforce safety mechanisms and provide stronger planning efforts and enhanced regulatory certainty, according to the Department of the Interior.
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Sound Waves Help Scientists Track Volcanic Eruptions
When sound waves hit the ground, they shake seismometers like earthquake waves. Scientists can now use these sound-induced seismic waves to investigate volcanic activity.
Posted inResearch Spotlights
Unknown Tsunami Trigger Hides Along a Creeping Aleutian Fault
A seismically quiet part of the Aleutian Subduction Zone may have caused tsunamis in the past—and may cause future tsunamis that could travel across the Pacific Ocean.
Posted inResearch Spotlights
Alaska's Semidi Segment Could Unleash a Devastating Tsunami
Study reveals structures along the Alaskan convergent margin capable of generating a powerful tsunami directed toward the United States's West Coast.