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Akutan reported activity

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EVENT SPECIFIC INFORMATION

Event Name : Akutan 1986/2

Start:February 3, 1986 Observed
Stop:June 14, 1986 Observed

Tephrafall: BibCard BibCard
Steam: BibCard BibCard BibCard BibCard BibCard
Tephra plume: BibCard BibCard BibCard BibCard BibCard
Central eruption: BibCard BibCard BibCard BibCard BibCard
Eruption Type:Explosive
MaxVEI: 2 BibCard
ColHeight: 5200 m BibCard
Duration: About 4 months BibCard

Description: From Reeder (1989): "Intermittent steam-blast eruptions with or without ash occurred from the tephra cone inside the summit caldera of Akutan volcano during 3 February through 8 May 1986. Intermittent tephra eruptions occurred from this cone during 1 June through 14 June 1986." See original text for chart and details of observed activity.

Miller (1987) gives this summary of the activity: "The eruption was characterized by sporadic ejection of ash to heights of 15,000 feet from a 4,275-foot-high intracaldera cone. No ashfalls were recorded in the nearby villages of Dutch Harbor and Akutan, and the eruption was not considered a hazard."

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Page modified: March 30, 2017 14:36
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