Abstract
The determination of a local lithospheric stress pattern from low magnitude seismic activity recorded at a loca array is attempted by means of numerical simulations that include waveform inversion and annealing inversion techniques. A set of flat stratified layers are assumed for the propagating medium. The tests show that the annealing algorithm is a useful tool in this kind of study where collected seismic activity at local arrays could help us better understand local stress distributions in the lithosphere. Although real data recorded at local seismic arrays should be processed, assuming more realistic crust and upper mantle models, many characteristics of the annealing process described here could be used when studying real problems.
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Martínez, M.D., Lana, X. Annealing algorithms in computing stress tensors: A set of numerical simulations for local stress tensor recovery. PAGEOPH 141, 83–100 (1993). https://doi.org/10.1007/BF00876236
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DOI: https://doi.org/10.1007/BF00876236