"March" . "68879" . . "Determination of full moment tensors of microseismic events in a very heterogeneous mining environment"@en . "moment tensors; non-double-couple components; microseismicity; mining; finite-difference modelling"@en . "Vavry\u010Duk, V\u00E1clav" . "2"^^ . "10.1016/j.tecto.2012.12.033" . "NL - Nizozemsko" . "0040-1951" . . "1"^^ . . . "The determination of source parameters and full moment tensors in mines is a difficult task, especially, when the velocity model of the mining environment is complex and strongly heterogeneous. The heterogeneities in the velocity model are usually caused by the presence of ore bodies, host rocks, tunnel systems and large excavations due to mining activity. The mined-out cavities introduce strong velocity contrasts in the model, cause multiple scattering of waves and result in a complex wave field with long coda waves. We have analysed five blasts and five induced microseismic events recorded at the Pyhasalmi ore mine, Finland, and suggest a strategy of successfully inverting for the seismic moment tensors. We compute accurate locations using an eikonal solver and perform the time-domain moment tensor inversion from full waveforms using a generalized linear inversion."@en . . "Determination of full moment tensors of microseismic events in a very heterogeneous mining environment" . . "RIV/67985530:_____/13:00394896!RIV14-GA0-67985530" . "RIV/67985530:_____/13:00394896" . . . . . "Determination of full moment tensors of microseismic events in a very heterogeneous mining environment"@en . . . . "K\u00FChn, D." . "000317878000003" . "589" . . . "Determination of full moment tensors of microseismic events in a very heterogeneous mining environment" . "[E35A69C31DC3]" . "I, P(GAP210/12/1491), P(IAA300120801)" . "Tectonophysics" . . . "11"^^ . . . . "The determination of source parameters and full moment tensors in mines is a difficult task, especially, when the velocity model of the mining environment is complex and strongly heterogeneous. The heterogeneities in the velocity model are usually caused by the presence of ore bodies, host rocks, tunnel systems and large excavations due to mining activity. The mined-out cavities introduce strong velocity contrasts in the model, cause multiple scattering of waves and result in a complex wave field with long coda waves. We have analysed five blasts and five induced microseismic events recorded at the Pyhasalmi ore mine, Finland, and suggest a strategy of successfully inverting for the seismic moment tensors. We compute accurate locations using an eikonal solver and perform the time-domain moment tensor inversion from full waveforms using a generalized linear inversion." .