Moment tensor inversion of waveforms: A two-step time-frequency approach

Geophysical Journal International

Volumn 190, Issue 3, 2012, Pages 1761-1776

  Vavryčuk, Václav ^a   Kühn, Daniela ^b  

^a INSTITUTE OF MATHEMATICS   (Czech Republic)

^b NORSAR   (Norway)

Author keywords

Body waves; Computational seismology; Dynamics and mechanics of faulting; Earthquake dynamics; Earthquake source observations; Wave propagation

Indexed keywords

BODY WAVES; EARTHQUAKE DYNAMICS; EARTHQUAKE SOURCE; FINLAND; FOCAL MECHANISM; FREQUENCY DOMAINS; GEOLOGICAL ENVIRONMENT; MOMENT TENSOR INVERSION; MOMENT TENSORS; PRODUCTION BLASTS; STANDARD WAVEFORMS; TIME AND FREQUENCY DOMAINS; TIME DOMAIN; TIME-FREQUENCY APPROACH; VELOCITY MODEL; WAVE FORMS;

DYNAMICS; EARTHQUAKES; WAVE PROPAGATION;

TENSORS;

BODY WAVE; DATA INVERSION; MOMENT TENSOR; NUMERICAL MODEL; SENSITIVITY ANALYSIS; WAVE PROPAGATION; WAVEFORM ANALYSIS;

EID: 84865303978     PISSN: 0956540X     EISSN: 1365246X     Source Type: Journal    
DOI: 10.1111/j.1365-246X.2012.05592.x     Document Type: Article

References (38)

1. Adamová, P., Sokos, E. & Zahradník, J., 2009. Problematic non-double-couple mechanism of the 2002 Amfilochia Mw5 earthquake, Western Greece, J. Seism., 13, 1-12.
2. Aki, K. & Richards, P.G., 2002. Quantitative Seismology, University Science Books, Sausalito, CA.
3. Cesca, S., Buforn, E. & Dahm, T., 2006. Amplitude spectra moment tensor inversion of shallow earthquakes in Spain, Geophys. J. Int., 166, 839-854.
4. Cesca, S. & Dahm, T., 2008. A frequency domain inversion code to retrieve time-dependent parameters of very long period volcanic sources, Comput. Geosci., 34, 235-246.
5. Cesca, S., Heimann, S., Stammler, K. & Dahm, T., 2010. Automated procedure for point and kinematic source inversion at regional distances, J. geophys. Res., 115, B06304, doi:10.1029/2009JB006450.
6. Dreger, D. & Woods, B., 2002. Regional distance seismic moment tensors of nuclear explosions, Tectonophysics, 356, 139-156.
7. Dziewonski, A.M., Chou, T.A. & Woodhouse, J.H., 1981. Determination of earthquake source parameters from waveform data for studies of regional and global seismicity, J. geophys. Res., 86, 2825-2852.
8. Gharti, H.N., Oye, V. & Roth, M., 2008. Travel times and waveforms of microseismic data in heterogeneous media, SEG Expanded Abstr., 27, 1337-1341, doi:10.1190/1.3059162.
9. Godano, M., Bardainne, T., Regnier, M. & Deschamps, A., 2011. Moment-tensor determination by nonlinear inversion of amplitudes, Bull. seism. Soc. Am., 101, 366-378.
10. Hardebeck, J.L. & Shearer, P.M., 2003. Using S/P amplitude ratios to constrain the focal mechanisms of small earthquakes, Bull. seism. Soc. Am., 93, 2432-2444.
11. Hingee, M., Tkalčić, H., Fichtner, A. & Sambridge, M., 2011. Seismic moment tensor inversion using a 3-D structural model: applications for the Australian region, Geophys. J. Int., 184, 949-964.
12. Fojtíková, L., Vavryčuk, V., Cipciar, A. & Madarás, J., 2010. Focal mechanisms of micro-earthquakes in the Dobrá Voda seismoactive area in the Malé Karpaty Mts. (Little Carpathians), Slovakia, Tectonophysics, 492, 213-229, doi:10.1016/j.tecto.2010.06.007.
13. Jechumtálová, Z. & Šílený, J., 2001. Point-source parameters from noisy waveforms: error estimate by Monte-Carlo simulation, Pure appl. Geophys., 158, 1639-1654.
14. Jechumtálová, Z. & Šílený, J., 2005. Amplitude ratios for complete moment tensor retrieval, Geophys. Res. Lett., 32, L22303, doi:10.1029/2005GL023967.
15. Jolliffe, I.T., 1986. Principal Component Analysis, Springer Verlag, New York, NY.
16. Kikuchi, M. & Kanamori, H., 1991. Inversion of complex body waves-III, Bull. seism. Soc. Am., 81, 2335-2350.
17. Larsen, S. & Grieger, J., 1998. Elastic modeling initiative: Part 3-3-D computational modeling. SEG Expanded Abstr ., 17, 1803-1806.
18. Menke, W., 1989. Geophysical Data Analysis: Discrete Inverse Theory, Int. geophys. Ser. Vol. 45, Academic Press, New York, NY
19. Miller, A.D., Julian, B.R. & Foulger, G.R., 1998. Three-dimensional seismic structure and moment tensors of non-double-couple earthquakes at the Hengill-Grensdalur volcanic complex, Iceland, Geophys. J. Int., 133, 309-325.
20. Oye, V., Bungum, H. & Roth, M., 2005. Source parameters and scaling relations for mining-related seismicity within the Pyhäsalmi ore mine, Finland, Bull. seism. Soc. Am., 95, 1011-1026, doi:10.1785/0120040170.
21. Podvin, P. & Lecomte, I., 1991. Finite difference computation of traveltimes in very contrasted velocity models: a massively parallel approach and its associated tools, Geophys. J. Int., 105, 271-284.
22. Puustjärvi, H., 1999. Pyhäsalmi Modeling Project, Section B. Geology, Technical Report, Geological Survey of Finland and Outokumpu Mining Oy, 66pp.
23. Sokos, E. & Zahradník, J., 2008. ISOLA-a Fortran code and Matlab GUI to perform multiple point source inversion of seismic data, Comput. Geosci., 34, 967-977.
24. Šílený, J., 1998. Earthquake source parameters and their confidence regions by a genetic algorithm with a 'memory', Geophys. J. Int., 134, 228-242.
25. Šílený, J., Panza, G.F. & Campus, P., 1992. Waveform inversion for point source moment tensor retrieval with variable hypocentral depth and structural model, Geophys. J. Int., 109, 259- 274.
26. Sipkin, S.A., 1986. Estimation of earthquake source parameters by the inversion of waveform data: Global seismicity, 1981-1983, Bull. seism. Soc. Am., 76, 1515-1541.
27. Vallée, M., Charléety, J., Ferreira, A.M.G., Delouis, B. & Vergoz, J., 2011. SCARDEC: a new technique for the rapid determination of seismic moment magnitude, focal mechanism and source time functions for large earthquakes using body-wave deconvolution, Geophys. J. Int., 184, 338-358.
28. Vasco, D.W., 1989. Deriving source-time functions using principal component analysis, Bull. seism. Soc. Am., 79, 711-730.
29. Vavryčuk, V., 2001. Inversion for parameters of tensile earthquakes, J. geophys. Res., 106(B8), 16.339-16.355, doi:10.1029/2001JB000372.
30. Vavryčuk, V., 2004. Inversion for anisotropy from non-double-couple components of moment tensors, J. geophys. Res., 109, B07306, doi:10.1029/2003JB002926.
31. Vavryčuk, V., 2011a. Principal earthquakes: theory and observations for the 2008 West Bohemia swarm, Earth planet. Sci. Lett., 305, 290-296, doi:10.1016/j.epsl.2011.03.002.
32. Vavryčuk, V., 2011b. Detection of high-frequency tensile vibrations of a fault during shear rupturing: observations from the 2008 West Bohemia swarm, Geophys. J. Int., 186, 1404-1414., doi:10.1111/j.1365-246X.2011.05122.x.
33. Vavryčuk, V., 2011c. Tensile earthquakes: theory, modeling, and inversion, J. geophys. Res., 116, B12320, doi:10.1029/2011JB008770.
34. Vavryčuk, V., Bohnhoff, M., Jechumtálová, Z., Kolář, P. & Šílený, J., 2008. Non-double-couple mechanisms of micro-earthquakes induced during the 2000 injection experiment at the KTB site, Germany: a result of tensile faulting or anisotropy of a rock?, Tectonophysics, 456, 74-93, doi:10.1016/j.tecto.2007.08.019.
35. Wéber, Z., 2009. Estimating source time function and moment tensor from moment tensor rate functions by constrained L1 norm minimization, Geophys. J. Int., 178, 889-900.
36. Zahradník, J., Serpetsidaki, A., Sokos, E. & Tselentis, G-A., 2005. Iterative deconvolution of regional waveforms and double-event interpretation of the 2003 Lefkada earthquake, Greece, Bull. seism. Soc. Am., 95, 159-172.
37. Zahradník, J., Janský, J. & Plicka, V., 2008a. Detailed waveform inversion for moment tensors of M 4 events: examples from the Corinth Gulf, Greece, Bull. seism. Soc. Am., 98, 2756-2771.
38. Zahradník, J., Sokos, E., Tselentis, G.-A. & Martakis, N., 2008b. Nondoublecouple mechanism of moderate earthquakes near Zakynthos, Greece, April 2006; explanation in terms of complexity, Geophys. Prospect., 56, 341-356.