Bali volcano: How does ash affect planes?
Indonesian authorities have shut Bali's airport. So why is it so dangerous to fly into an ash cloud?
Stay updated with breaking news from Mount Redoubt. Get real-time updates on events, politics, business, and more. Visit us for reliable news and exclusive interviews.
Indonesian authorities have shut Bali's airport. So why is it so dangerous to fly into an ash cloud?
E-Mail Volcanologists do what they can to provide the public enough warning about impending eruptions, but volcanoes are notoriously unpredictable. Alerts are sometimes given with little time for people to react. That may soon change. Work led by research assistant professor Társilo Girona, with the University of Alaska Fairbanks Geophysical Institute, has revealed a method by which scientists -- and the public -- can have perhaps years of advance warning about a potential eruption. The solution lies in regular and widespread monitoring of the radiant temperature of a volcano's flanks bef...
Epic glaciers, giant trees and wildernesses that time forgot: Jaw-dropping pictures of all 63 of America's stunning national parks We invite you to scroll down and go on an armchair odyssey across 52.2million acres of pristine nature The voyage will go south of the equator, above the Arctic circle, to towering volcanoes and epic glaciers Some of the parks are so remote you need a plane or helicopter to reach them - one is bigger than Switzerland