Mount Redoubt volcano in Alaska erupted explosively five times starting late Sunday night, nearly two months after scientists heightened concerns about the event.
The volcano's first eruption came Sunday at 10:38 p.m. Alaska Daylight Time, sending a cloud of volcanic ash to an estimated 50,000 feet above sea level. Scientists from the Alaska Volcano Observatory are monitoring the volcano closely as the eruption continues.
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February video from LiveScience.
Alaska Volcano Observatory website.