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Home»Posts tagged with»eruption (Page 2)

110 years since the largest Alaska eruption

By Ned Rozell | Geophysical Institute on Jul 15, 2022   Featured, The Arctic and Alaska Science  

110 years since the largest Alaska eruption

To put the largest eruption in Alaska’s written history in context, Robert Griggs pondered what might have happened if the volcano that erupted in summer of 1912 was located on Manhattan Island rather than the Alaska Peninsula. “In such a catastrophe all of Greater New York would be buried under ten to fifteen feet of […]

A Half Century in a Difficult, Dynamic Place

By Ned Rozell | Geophysical Institute on Jul 8, 2022   Featured, The Arctic and Alaska Science  

A Half Century in a Difficult, Dynamic Place

A CLIFF NORTH OF LITUYA BAY — Dan Mann hands me a clump of orange dirt the size of an almond. He instructs me to put it in my mouth. “What’s it taste like? Does it crunch? Ash crunches because there’s glass fragments in it.” “It crunches.” “It’s from Mount Edgecumbe,” he says, referring to […]

Tonga volcano eruption’s echoes heard 6,200 miles away

By National Science Foundation on Jun 4, 2022   Featured, Science/Education  

Tonga volcano eruption’s echoes heard 6,200 miles away

Massive eruption of Tonga volcano provides an explosion of data on atmospheric waves The Hunga volcano ushered in 2022 with a bang, devastating the island nation of Tonga and sending aid agencies, and Earth scientists, into a flurry of activity. It had been nearly 140 years since an eruption of this scale shook the Earth. […]

Hunga Volcano Eruption Provides an Explosion of Data

By Rod Boyce | Geophysical Institute on May 14, 2022   Featured, Science/Education  

Hunga Volcano Eruption Provides an Explosion of Data

The massive Jan. 15, 2022, eruption of the Hunga submarine volcano in the South Pacific Ocean created a variety of atmospheric wave types, including booms heard 6,200 miles away in Alaska. It also created an atmospheric pulse that caused an unusual tsunami-like disturbance that arrived at Pacific shores sooner than the actual tsunami. Those are […]

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