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Geotechnical Egineering News tagged with [Alaska]

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Alaskan coast 8.2 magnitude earthquake was the strongest one in decades, official says
CNN   28 July 2021   Alaska  
<p>The 8.2 magnitude earthquake that struck off Alaska's coast Wednesday night was the strongest one since 1964, an official told CNN.<br />The very strong quake was located about 56 miles (91 kilometers) east southeast of Perryville, Alaska, and happened ...
5 of the most devastating earthquakes in US history
Fox News   21 February 2020   USA  
In terms of fatalities, the 1906 San Francisco earthquake was the most devastating in the U.S. (earthquake.usgs.gov)
<p>In 2019, California was rocked by back-to-back earthquakes measuring 7.1 and 6.4, respectively. The quakes brought renewed attention to the state’s vulnerability given its boundaries around the San Andreas fault line.<br>The U.S. Geological Survey (USGS) ...
Major 6.2 Magnitude Earthquake Strikes Alaska: USGS
NTD.TV   23 January 2020   Alaska   Adak  
Major 6.2 Magnitude Earthquake Strikes Alaska on Jan. 23, 2020. (USGS/Screenshot)
<p>A 6.2 magnitude earthquake has struck 50 miles west of the city of Adak in Alaska at 7:53 p.m. Alaska Standard Time, the U.S. Geological Survey said on Thursday.</p>
The World's Thickest Mountain Glacier Is Finally Melting, and Climate Change Is 100% to Blame
livescience   07 November 2019   Alaska  
Taku Glacier in Alaska can be seen holding strong in this satellite image captured in August 2014. (Image: © NASA Earth Observatory)
<p>Massive and meaty, the Taku Glacier in Alaska's Juneau Icefield was a poster child for the frozen places holding their own against climate change. As the largest of 20 major glaciers in the region and one of the single thickest glaciers in the world (it ...
Alaska earthquake: Aleutian Island on Ring of Fire hit by HUGE 6.5 magnitude quake
Express   03 April 2019   Alaska   Aleutian Islands  
A 6.5 magnitude earthquake has hit off the coast of Alaska (Image: USGS)
<p>A 6.5 magnitude earthquake has hit off the coast of Alaska. The quake struck off the Aleutian islands just off the coast of Alaska. The earthquake struck at roughly 12.35pm. According to the United States Geological Survey (USGS) the earthquake hit a depth ...
Alaska earthquake today: Six hit Alaska within minutes – Anchorage braces for HUGE tremor
Express   21 February 2019   Alaska  
Alaska has been subject to earthquakes for years (Image: Getty)
<p>ALASKA has been struck by six earthquakes within only minutes on Thursday, according to the US Geological Survey (USGS), sparking fears of bigger tremors shaking the US state in the near future.</p> <p>Six earthquakes rocked the ground across Alaska this ...
Tsunami warnings canceled after magnitude-7.9 earthquake off Alaska
CNN   24 January 2018   Alaska   Kodiak  
<p>(CNN) Forecasters canceled tsunami warnings for Alaska and the US and Canadian west coasts Tuesday after an earthquake in the Gulf of Alaska stoked fears of damaging waves.<br>The tsunami alerts were canceled "because additional information and analysis ...
Filed under: Natural Hazards
Nobody Heard or Saw This Landslide. What’s the Big Deal?
bigthink   24 March 2017   USA   Alaska  
(POLAR GEOSPATIAL CENTER)
<p>On October 17, 2015, a rainy night to begin with, a huge tsunami cresting at 600 feet barreled through the darkness of the remote Taan fjord in Alaska. It stripped away forests on both sides of the fjord, and dragged an iceberg out into Icy Bay on the coast. ...
Filed under: Natural Hazards
Researcher: New butterfly has clues to geology, climate
CBS News 8   21 March 2016   USA   Fairbanks, Alaska  
This undated image provided by lepidopterist Andrew Warren shows the newly discovered Tanana Arctic butterfly.
<p>FAIRBANKS, Alaska (AP) &mdash; A new species of butterfly could provide clues about Alaska's geological history and its changing climate, according to a University of Florida researcher.<br />Research by lepidopterist Andrew Warren suggests that the newly ...
One quarter of Alaska permafrost could melt by 2100 – US Geological Survey
The Guardian   09 December 2015   USA   Alaska  
A house has collapsed into the ground as the permafrost melts beneath it, near Portage Glacier, Alaska
<p>Study raises concerns over accelerating climate change as the icy mass under state&rsquo;s surface releases carbon into atmosphere<br />Up to a quarter of the permafrost that lies underneath the surface of Alaska could melt by the end of the century, spewing ...