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Shishaldin reported activity

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EVENT SPECIFIC INFORMATION

Event Name : Shishaldin 2005/12

Start:December 22, 2005 Observed
Stop:December 22, 2005 Observed

Fumarolic or hydrothermal activity: BibCard
Seismicity with no confirmed eruption: BibCard
Eruption Type:Not an eruption.
Other""

Description: From McGimsey and others (2007): "Following more than a year of relative quiescence, on December 22, 2005, a pilot reported a steam plume rising 3,000 ft above the summit of Shishaldin. The FAA issued an Urgent Pilot Report. Commensurate with this report, a few small explosions were recorded on the pressure sensor located on the north flank. AVO seismologists also noted that the amplitudes of seismic events had increased since about mid-November. Because no ash apparently was released and the activity did not continue, AVO did not issue a formal information release nor increase the level of concern color code."

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Page modified: March 30, 2017 14:36
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