Karin Sigloch
Illuminating the darker corners of Earth's deep interior: computational waveform modelling and seismic tomography

Karin Sigloch, University of Munich, Germany


We give an introduction to seismic tomography - the science and art of constructing 3-dimensional images of the earth's interior structure, from crust to core. Humans or scientific instruments have never penetrated the solid earth more than a few kilometers deep, so knowledge about what lies below draws on indirect measurements, leading to mathematical inverse problems. The earth is transparent to seismic waves (man-made or earthquakes), which illuminate all of the interior at least in principle. In order to interpret the subtle and complex signals in seismograms, seismologists need massive computing power. The field advances in lockstep with the availability this resource.
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