Determination of earthquake location using a poorly configured seismograph network

Details Determination of earthquake location using a poorly configured seismograph network Determination of earthquake location using a poorly configured seismograph network

Nov 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989pepi...58...28r&link_type=abstract

Physics of the Earth and Planetary Interiors, Volume 58, Issue 1, p. 28-34.

Physics

Scientific paper

Two complementary approaches for improving earthquake hypocenter estimation are proposed. First, we present three nonlinear hypocenter location algorithms with a better convergence capability in ill-conditioned situations than the commonly used linearized location programs. Second, we implement statistical diagnostic tools for detecting stations likely to have an unusually strong influence on the solution vector or on some of its components. Once the potential influence of each station has been taken into account, improvement of the network configuration, which substantially contributes to the reliability of the hypocenter determination, can be achieved.

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