The Pawsey Supercomputing Centre

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3D Seismic Imaging of South East Asia

In this project, we will estimate seismic velocity structure of the southeast Asian crust and uppermost mantle using adjoint inversion of full seismic waveform data collected mainly in Australia, Indonesia and neighbouring countries. Adjoint waveform inversion is a technique developed over the past decade that achieves unprecedented resolution by utilising all if the information contained in the seismic waveforms, but it is computationally intensive and requires use of a HPC facility like iVEC. This is the first time that this advanced technique to be used on such a large dataset in this region. The results will reveal information about the 3D structure of SE Asian crust, which is relevant to seismic hazard studies, regional tectonics and mineral exploration.

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