Journal
JOURNAL OF VOLCANOLOGY AND GEOTHERMAL RESEARCH
Volume 259, Issue -, Pages 248-269Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jvolgeores.2012.04.014
Keywords
ASTER; Landsat; Thermal infrared; Lava dome; FLIR; Redoubt Volcano
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Funding
- U.S. Geological Survey Volcano Science Center
- NASA [NNH08AH801]
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A combination of satellite and airborne high-resolution visible and thermal infrared (TIR) image data detected and measured changes at Redoubt Volcano during the 2008-2009 unrest and eruption. The TIR sensors detected persistent elevated temperatures at summit ice-melt holes as seismicity and gas emissions increased in late 2008 to March 2009. A phreatic explosion on 15 March was followed by more than 19 magmatic explosive events from 23 March to 4 April that produced high-altitude ash clouds and large lahars. Two (or three) lava domes extruded and were destroyed between 23 March and 4 April. After 4 April, the eruption extruded a large lava dome that continued to grow until at least early July 2009. Published by Elsevier B.V.
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