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Diverse deformation patterns of Aleutian volcanoes from InSAR

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Abstract

Interferometric synthetic aperture radar (InSAR) is capable of measuring ground-surface deformation with centimeter-to-subcentimeter precision at a spatial resolution of tens of meters over an area of hundreds to thousands of square kilometers. With its global coverage and all-weather imaging capability, InSAR has become an increasingly important measurement technique for constraining magma dynamics of volcanoes over remote regions such as the Aleutian Islands. The spatial pattern of surface deformation data derived from InSAR images enables the construction of detailed mechanical models to enhance the study of magmatic processes. This paper summarizes the diverse deformation patterns of the Aleutian volcanoes observed with InSAR and demonstrates that deformation patterns and associated magma supply mechanisms in the Aleutians are diverse and vary between volcanoes. These findings provide a basis for improved models and better understanding of magmatic plumbing systems.

Additional Publication Details

Publication type:
Conference Paper
Publication Subtype:
Conference Paper
Title:
Diverse deformation patterns of Aleutian volcanoes from InSAR
Issue:
649 SP
Year Published:
2008
Language:
English
Larger Work Title:
European Space Agency, (Special Publication) ESA SP
Conference Title:
Fringe 2007 Workshop
Conference Location:
Frascati
Conference Date:
26 November 2007 through 30 November 2007