A volcano on the Alaska Peninsula erupted with little advanced warning over the weekend, spewing an ash cloud up to 6,000 metres high that prompted aviation warnings across the region.
Mount Pavlof, one of the most active volcanoes on the peninsula, began erupting shortly after 5 p.m. PT on Sunday, said Jessica Larsen, co-ordinating scientist with the University of Alaska Geophysical Institute.
"Pavlof is known to us for having a pretty quick onset to eruptions, it doesn't always give us long precursory signals," Larsen said.
http://www.cbc.ca/news/canada/britis...upts-1.3509548
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