An evolutionary computation approach is described for the classical geophysics inverse problem of magnetotelluric inversion. This kind of solution to the problem is formulated a stochastic, iterative optimisation problem, where the evolutionary algorithm operates as the optimiser. SOme aspects of the approach are described, in particular three problem-specific operators that were efined: local search, homogenisation and spatal crossover. Comparison is then made between the solution obtained with the evlutionary computation method and another, that relies on a determinstic otpimser plus an entropy-based regularisation. OUr results suggest that the evolutionary solution is more robust than the otherm more classical approach.
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