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- W105570277 abstract "The seismic quality factor (QC) and the attenuation coefficient (δ) of the crust in the southwest of Baikal rift system and surroundings have been studied analyzing coda waves, using the single backscattering model. For this purpose from regional earthquake catalogue were selected 58 local events with magnitude M=3.3–5.4, occurred within 2001-2007. The QC values were estimated at central frequencies 0.3, 0.75, 1.5, 3, 6, 12 Hz and five lapse time windows from 20 to 60 sec with a step of 10 sec. The values of QC(f) and the attenuation coefficient δ were obtained for different tectonic blocks: stable Siberian platform (129f, δ=0.007 km−1), Khamar-Daban block (126f, δ=0.007 km−1), seismically active East Sayan Mountains (94f, δ=0.010 km−1) and South Baikal depression (99f, δ=0.009 km−1). The most large attenuation was determined for Tunka depression (59f, δ=0.015 km−1). The quality factor Q0, the value of QC at 1 Hz, calculated at different lapse time windows for all studying area show a significant variation from (106±10) to (255±18) and attenuation coefficient δ from 0.008 to 0.004 km−1, corresponding to lapse time window lengths of 20 and 60 sec, respectively." @default.
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- W105570277 date "2009-04-01" @default.
- W105570277 modified "2023-09-24" @default.
- W105570277 title "The crustal quality factor in the southwest of Baikal rift system and surroundings" @default.
- W105570277 hasPublicationYear "2009" @default.
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