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Interactive visualization of scattered moment tensor data

: Obermaier, H.; Billen, M.I.; Hagen, H.; Hering-Bertram, M.


Wong, P.C. ; Society for Imaging Science and Technology -IS&T-; Society of Photo-Optical Instrumentation Engineers -SPIE-, Bellingham/Wash.:
Visualization and Data Analysis 2011
Bellingham, WA: SPIE, 2011 (SPIE Proceedings 7868)
ISBN: 978-0-8194-8405-5
ISSN: 0277-786X
Paper 78680I
Conference on Visualization and Data Analysis (VDA) <11, 2011, San Francisco/Calif.>
Conference Paper
Fraunhofer ITWM ()

Moment tensors derived from seismic measurements during earthquakes are related to stress tensors and keep important information about surface displacement in the earth's mantle. We present methods facilitating an interactive visualization of scattered moment data to support earthquake and displacement analysis. For this goal, we combine and link visualizations of spatial location and orientation information derived from moment tensor decompositions. Furthermore, we contribute new tensor glyphs highlighting the indefinite character of moment tensors as well as novel tensor clustering and averaging techniques to aid interactive visual analysis and ease the challenges of interpreting moment tensor data.