A melting Alaskan glacier may set off a landslide and trigger a tsunami in Prince William Sound, according to a public letter by climate scientists and geologists.
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RESTRICTIONS: Broadcast: NO USE JAPAN, NO USE TAIWAN Digital: NO USE JAPAN, NO USE TAIWAN A melting Alaskan glacier may set off a landslide and trigger a tsunami in Prince William Sound, according to a public letter by climate scientists and geologists at institutions including the University of Alaska, the Ohio State University and the University of British Columbia.
This event could happen as soon as next year and no later than 20 years from now, they say.
The researchers say the Barry Glacier's retreat inland could send its scarp tumbling down the Barry Arm.
A complete failure of the scarp will cause a destructive tsunami to crash down Barry Arm and Harriman Fiord, while partially endangering Port Wells.
If the scarp fails completely, it would raise waves as high as 1,000 feet, which would threaten fishing boats and the hundreds of fishermen and tourists who frequent the region.
Even locations far from the Barry Glacier may experience 30-foot tall waves.
According to the letter, climate change is melting Barry Glacier, and the retreating ice has left a swath of the cliff unsupported by its mass.
The loose scarp then entered into a slow-motion landslide that is now showing signs of speeding up.
RUNDOWN SHOWS: 1.
Barry Glacier's melting could trigger a landslide-caused tsunami 2.
Tsunami may affect Barry Arm, Harriman Fiord and Port Wells 3.
Waves could reach a height of 1,000 feet and endanger fishermen and tourists 4.
Glacier's retreat leaves cliff unsupported by ice, which leads to the landslide VOICEOVER (in English): "A melting Alaskan glacier may set off a landslide and trigger a tsunami in Prince William Sound, according to a public letter by climate scientists and geologists at institutions including the University of Alaska, the Ohio State University and the University of British Columbia." "This event could happen as soon as next year and no later than 20 years from now, they say." "The researchers say the Barry Glacier's retreat inland could send its scarp tumbling down the Barry Arm.
A complete failure of the scarp will cause a destructive tsunami to crash down Barry Arm and Harriman Fiord, while partially endangering Port Wells." "If the scarp fails completely, it would raise waves as high as 1,000 feet, which would threaten fishing boats and the hundreds of fishermen and tourists who frequent the region." "Even locations far from the Barry Glacier may experience 30-foot tall waves." "According to the letter, climate change is melting Barry Glacier, and the retreating ice has left a swath of the cliff unsupported by its mass." "The loose scarp then entered into a slow-motion landslide that is now showing signs of speeding up." SOURCES: DocumentCloud, Anchorage Daily News, Woods Home Research Center https://www.documentcloud.org/documents/6890609-5-14-20-Barry-Arm-Landslide-Working-Group-Letter.html https://www.adn.com/alaska-news/science/2020/05/14/scientists-warn-about-risk-of-massive-tsunami-in-prince-william-sound-potentially-within-the-next-year/#_ https://whrc.org/scientists-warming-temps-thawing-glacier-creates-tsunami-risk-in-alaskas-barry-arm/ *** For story suggestions please contact tips@nextanimation.com.tw For technical and editorial support, please contact: Asia: +61 2 93 73 1841 Europe: +44 20 7542 7599 Americas and Latam: +1 800 738 8377
Scientists are warning that a slope in southern Alaska’s Barry Arm could collapse sometime in the next 20 years.
ANCHORAGE, ALASKA — A melting Alaskan glacier may set off a landslide and trigger a tsunami in Prince William Sound, according to..