Yellowstone supereruption would send ash across North America

In the unlikely event of a volcanic supereruption at Yellowstone National Park, the northern Rocky Mountains would be blanketed in meters of ash, and millimeters would be deposited as far away as New York City, Los Angeles ...

Researchers find smoking gun of world's biggest extinction

About 250 million years about 95 per cent of life was wiped out in the sea and 70 per cent on land. Researchers at the University of Calgary believe they have discovered evidence to support massive volcanic eruptions burnt ...

Guatemala's Fuego volcano erupts again

Guatemala's deadly Fuego volcano erupted anew early Friday, unleashing a 600-meter flow of lava and sending clouds of ash spiralling into the sky.

Volcanic ash affects airplanes, weather, sunsets

(AP) -- In 1989, all four engines of a Boeing 747 over Alaska conked out after it flew into a cloud of volcanic ash. The crew was able to restart them, but incidents like that dramatize why hundreds of flights every year ...

New study estimates frequency of volcanic eruptions

Holidaymakers concerned about fresh volcanic eruptions causing flight-disrupting ash clouds might be reassured by a study setting out the first reliable estimates of their frequency.

Simulating flow from volcanoes and oil spills

Some time around 37,000 BCE a massive volcano erupted in the Campanian region of Italy, blanketing much of Europe with ash, stunting plant growth and possibly dooming the Neanderthals. While our prehistoric relatives had ...

Chile volcano ash grounds Australia, NZ flights

Ash from Chile's volcanic eruptions prompted Australian airline Qantas to ground some domestic services and some flights to New Zealand on Sunday, after plumes drifted across the Pacific.

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