Calibration of P/S amplitude ratios for seismic events in Xinjiang and its adjacent areas based on a Bayesian Kriging method
Correction maps of P/S amplitude ratios for seismic events distributed in Xinjiang, China and its adjacent areas were established using a Bayesian Kriging method for the two seismic stations WMQ and MAK. The relationship between correction maps and variations of along-path features was analyzed and...
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| Veröffentlicht in: | Acta seismologica sinica 2007-11, Vol.20 (6), p.664-674 |
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| creator | Pan, Chang-zhou Jin, Ping Xiao, Wei-guo |
| description | Correction maps of P/S amplitude ratios for seismic events distributed in Xinjiang, China and its adjacent areas were established using a Bayesian Kriging method for the two seismic stations WMQ and MAK. The relationship between correction maps and variations of along-path features was analyzed and the validity of applying the correction maps to improve performances of P/S discriminants for seismic discrimination was investigated. Results show that obtained correction maps can generally reflect event-station path effects upon corresponding P/S discriminants; and the correction of these effects could further reduce scatters of distance-corrected P/S measurements within earthquake and explosion populations as well as improve their discriminating performances if path effects are a significant factor of such scatters. For example, as corresponding Kriging correction map was applied, the misidentification rate of earthquakes by Pn(2-4 Hz)/Lg(24 Hz) at MAK was reduced from 16.3% to 5.2%.[PUBLICATION ABSTRACT] |
| doi_str_mv | 10.1007/s11589-007-0664-0 |
| format | Article |
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| identifier | ISSN: 1000-9116 |
| ispartof | Acta seismologica sinica, 2007-11, Vol.20 (6), p.664-674 |
| issn | 1000-9116 1674-4519 1993-1344 1867-8777 |
| language | eng |
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| source | Springer Nature - Complete Springer Journals; Alma/SFX Local Collection |
| subjects | Calibration Earthquakes Seismic activity Studies |
| title | Calibration of P/S amplitude ratios for seismic events in Xinjiang and its adjacent areas based on a Bayesian Kriging method |
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