Modeling Earthquakes via Computer Programs

Modeling earthquakes plays an important role in investigation of different aspects of seismic risk. The paper continues previous studies and describes the user-friendly software destined for numerical simulation of lithosphere dynamics and seismicity by means of different modifications of the block model, which exploits the hierarchical block structure of the lithosphere. As a result, the model produces an earthquake catalog, and the programs give an opportunity to visualize it in different ways. The programs work in an interactive mode with a window interface. Numerical approximation of the Vrancea seismic region is considered as an example of application of the software. Parallel algorithms allowing to perform modeling dynamics of rather large structures are outlined.

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