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Virtual Earth Construction: Indonesia Slab Geodynamics

Explore 3D reconstruction of Indonesian slab & Sumatran earthquake geodynamics. Analyze shear zones & Tethyan slab using SNARK & gOcad software. Visualize structural data. Work in progress by Professor Lister at ANU.

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Virtual Earth Construction: Indonesia Slab Geodynamics

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  1. ACcESS at ANU Professor Gordon Lister Research School of Earth Sciences The Australian National University Director-at-large ACcESS MNRF

  2. Major Activities • Construction of a Virtual Earth (current focus on the 3D geometry of the Indonesian slab and the geodynamics of the Great Sumatran earthquake) • 3D tectonic reconstruction - Pplates • Using SNARK to simulate crustal deformation associated with shear zones, and 3D slab roll-back

  3. 3D reconstruction - gOcad model of the Tethyan slab beneath Indonesia Not the final result - a work in progress

  4. 3D visualization of slab geometry

  5. Using gOcad to look in 3D at elongate octagons in the conjugate fault planes generated using data from the Harvard CMT database

  6. Structural analysis of data from the Harvard Centroid Moment Tensor Database(252 quakes since 12-26-04)The analysis program will beavailable through ACcESS

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