The Watchers:
Abrupt eruption of Pavlof volcano sends ash to 6 km a.s.l., Alaska


Previous eruptions at Pavlof have produced eruptions up to 15 km (49 000 feet) a.s.l., with some drifting more than 480 km (300 miles) from the crater, according to AVO. Its staff say the volcano’s more than 40 previous eruptions have marked it as “one of the most consistently active volcanoes in the Aleutian arc.”

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