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TOPIC: Mount Redoubt


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Mount Redoubt
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Alaska'sáMount Redoubtávolcano began erupting on March 22, 2009, and activity continued for several months.
During the eruptions, which lasted for several months, reports found ash clouds reaching as high as 20,000 m above sea level.

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The rate of small earthquakes at Mount Redoubt declined Tuesday after the Alaska Volcano Observatory raised the alert level to advisory and the aviation colour code to yellow on Monday morning. Seismic instruments on Redoubt recorded a series of shallow, repetitive earthquakes early Monday.
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The Alaska Volcano Observatory raised the alert level for Cook Inlet's Redoubt volcano to yellow after a series of small, repetitive earthquakes early this morning near the summit.
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Some folks on Anchorage's Hillside may have noticed Monday what looked like an eruption at Mount Redoubt, that moody volcano across Cook Inlet. In fact, it was just a steam plume.
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Tremors under Mount Redoubt's summit have geologists watching the volcano closely for signs that it might erupt again, less than a year after its most recent explosions, which, starting in March, sporadically dusted Southcentral with ash for weeks.
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Alaska Volcano Observatory eases off monitoring
As Mount Redoubt remains calm, the Alaska Volcano Observatory is ending 24-hour staffing of its operations center at Fairbanks.

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The 2009 Redoubt eruption continues. Small discrete earthquakes and rockfall signals in the summit region have been recorded steadily over the course of the past week... Gas emissions measured on May 24 showed a steep decline since last measured on May 14. Additional measurements are scheduled for early next week.

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At last calculation, the lava dome sitting in the crater of Mount Redoubt had the cubic volume of about 11 Great Pyramids.
The figure was calculated over a week ago by scientists at the Alaska Volcano Observatory in Anchorage, however, and since then the dome has continued to grow.
While the volcano has become something less than a wonder of the world in terms of excitement, scientists at AVO say the mountain is still active and expect it to return to a more explosive state.

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The Alaska Volcano Observatory reported Thursday morning that seismic activity at Mount Redoubt gradually calmed overnight. The alert level remains at "watch/orange."

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Redoubt Volcano
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The Alaska Volcano Observatory continues to keep a very close eye on the Redoubt Volcano. As of this morning, the current activity at Redoubt suggested that a significant explosive event is likely, though not certain, in the coming days, according to the scientists at the AVO.

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