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Siple volcano (Marie Byrd Land, Western Antarctica): possible awakening - steaming detected on 20 June

Thursday Jun 28, 2012 10:05 AM | BY: T

Mt Siple volcano in Antarctica might have become active and produced a steam plume recently detected on satellite imagery. The latest Smithsonian activity report mentions:
"Infrared imagery from the Metop satellite showed a possible rising steam plume from the area of Siple on 20 June. The imagery, as interpreted by Mark Drapes, indicated that the volcano was about -22 degrees Celsius, about 6 degrees warmer that the surrounding landscape, and the base of the plume was about -55 degrees Celsius.
Sources: Mark Drapes, personal communication, European Organisation for the Exploitation of Meteorological Satellites (EUMETSAT)"
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Links / Sources:
Previous news
Location and depth map of the quakes beneath El Hierro during the past 36 hours. The red bullets ion the Las Calmas sea only started in the June 26 afternoon.
Wednesday, Jun 27, 2012
The most interesting volcano-related event at the moment is certainly the seismic crisis on El Hierro where the high-intensity earthquake swarm accompanied by tremor episodes continues. The quakes, still at "safe" 20 km depth, have now migrated to the El Julan coast where magma could be accumulating. ... [more]
Tuesday, Jun 26, 2012
A new eruption might be under way at El Hierro (Canary Islands, Spain). Following several weaker swarms in the past weeks, a strong swarm started late on 24 June and increased dramatically to more than 200 earthquakes of M1.5 or more, including volcanic tremor. The quakes locations indicated that magma was moving at depth from N towards the S in a similar way as at the start of the 2011 submarine eruption. Therefore, the possibility of renewed eruptive activity is real. ... [more]
Thursday, Jun 21, 2012
23 June 6:00pm (ET): The Gates of Hell - Italy's Mount Etna ... [more]
Wednesday, Jun 20, 2012
The new Smithsonian / USGS Weekly Volcanic Activity Report is summarized as follows: ... [more]

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