Geophysical Journal | 2013 volume 35 2

Analysis of related seismic events by the orgraph theory methods

© Spirtus V.B.

For samples from the earthquakes catalogues with large seismic events the components of unilateral relatedness of corresponding orgraphs are studied. Definition of new mathematical adjectives is proposed - octopus-index of orgraph vertexes. Dynamics of this value changes can be used in algorithms of medium-term forecast. Test examples and results of test calculations for the earthquakes of North California and the Crimean-Black Sea region have been given.

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