Iliamna volcano (Cook Inlet (SW Alaska)) activity update: increased seismic and fumarolic activity
Thu, 22 Mar 2012, 07:32
07:32 AM | BY: TSatellite images acquired during 9-16 March showed a plume drifting 56 km downwind that was likely water vapor. The report noted that long-lived fumaroles at the summit of Iliamna frequently produced visible plumes, but the current plume appeared to be more robust than usual. Scientists aboard an overflight on 17 March observed vigorous and plentiful fumaroles at the summit, consistent with the elevated gas emissions. Gas measurements indicated that the volcano was emitting elevated levels of sulfur dioxide and carbon dioxide.
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Previous news
Wed, 21 Mar 2012, 06:00
Iliamna volcano (United States) - Smithsonian / USGS Weekly Volcanic Activity Report for 21 March-27 March 2012 (New Activity / Unrest)
AVO reported that during 21-27 March seismicity at Iliamna remained above background levels, although just slightly during 25-27 March. When not obscured by clouds, satellite and web camera views showed nothing unusual. The Alert Level remained at Advisory and the Aviation Color Code remained at Yellow. ... Read all
Wed, 14 Mar 2012, 06:00
Iliamna volcano (United States) - Smithsonian / USGS Weekly Volcanic Activity Report for 14 March-20 March 2012 (New Activity / Unrest)
AVO reported that during 9-20 March seismicity at Iliamna was above background levels. Satellite images acquired during 9-16 March showed a plume drifting 56 km downwind that was likely water vapor. The report noted that long-lived fumaroles at the summit of Iliamna frequently produced visible plumes, but the current plume appeared to be more robust than usual. ... Read all
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