2008 eruption of Okmok volcano observed by ALOS/PALSAR(Poster Session I -Radar and SAR Technologies-,ICSANE 2010 (International Conference on Space, Aeronautical and Navigational Electronics))

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概要

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• On July 12, 2008, Okmok volcano began to erupt after a lapse of 11 years. Ash plumes have been emitted from a new vent located close to the caldera center. Using PALSAR amplitude images acquired before and after the eruption, we could find the new volcanic vent near caldera center by means of differences of the backscattering intensity in PALSAR images. Interferogram generated using the DInSAR technique shows a deflation of the volcano caused by a co-eruptive magmatic activity. We estimated a deformation source beneath the caldera center, and interpreted it as an a shallow magma chamber.

• 2010-10-20

著者

• Miyagi Yousuke

  Earth Observation Research Center, Japan Aerospace Exploration Agency

関連論文

• 2008 eruption of Okmok volcano observed by ALOS/PALSAR(Poster Session I -Radar and SAR Technologies-,ICSANE 2010 (International Conference on Space, Aeronautical and Navigational Electronics))

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