sPL, an effective seismic phase for determining focal depth at near distance

Acta Geophysica Sinica

Volumn 53, Issue 11, 2010, Pages 2620-2630

  Chong, Jia Jun ^a   Ni, Si Dao ^a,b   Zeng, Xiang Fang ^a  

^a UNIVERSITY OF SCIENCE AND TECHNOLOGY OF CHINA   (China)

^b INSTITUTE OF GEOLOGY AND GEOPHYSICS   (China)

Author keywords

Depth phase; Focal depth; sPL; Surface P wave; Waveform comparison

Indexed keywords

AMPLITUDE; CRUSTAL STRUCTURE; EARTHQUAKE EPICENTER; EARTHQUAKE EVENT; EARTHQUAKE MAGNITUDE; ERROR ANALYSIS; FOCAL MECHANISM; P-WAVE; S-WAVE; SEISMIC DATA; VELOCITY STRUCTURE; WAVEFORM ANALYSIS;

CHINA; JIANGXI; JIUJIANG;

EID: 79957867637     PISSN: 00015733     EISSN: None     Source Type: Journal    
DOI: 10.3969/j.issn.0001-5733.2010.11.010     Document Type: Article

References (36)

1. Gupta H K, Sarma S V S, Harinarayana T, et al. Fluids below the hypocentral region of Latur earthquake, India: Geophysical indicators. Geophysical Research Letters, 1996, 23(13):1569-1572
2. Zhang G M, Wang S Y, Li L, et al. Focal depth of continental earthquakes in China and its seismotectonic implications. Chinese Science Bulletion (in Chinese), 2002, 47(9):663-670
3. Shi Y L, Zhu S B. Contrast of Rheology in the crust and mantle near Moho revealed hy depth variation of earthquake mechanism in continental China. Chinese J. Geophys. (in Chinese), 2003, 46:359-365
4. King R, Observations of sPn from Swabian Alb earthquakes at the GRP Array, J. Geophys., 1979, 45:337-340
5. Helmherger D, Engen G. Modeling the long-period body waves from shallow earthquakes at regional ranges. Bull. Seism, Soc. Am., 1980, 70:1699-1714
6. Zonno G, Kind R. Depth determination of North Italian earthquakes using Grafenberg data. Bull. Seism. Soc. Am., 1984, 74:1645-1659
7. Langston C. Depth of faulting during the 1968 Meekering, Australia, earthquake sequence determined from waveform analysis of local seismograms. J. Geophys. Res., 1987, 92:1561-1574
8. Langston C. The SsPmp phase in regional wave propagation. Bull. Seism. Soc. Am., 1996, 86:133-143
9. Zhao L, Helmherger D, Broadband modelling along a regional shield path, Harvard recording of the Saguenay earthquake. Geophys. J. Int., 1991, 105:301-312
10. Zhao L, Helmherger D. Source retrieval from broadband regional seismograms: Hindu Kush region. Phys. Earth Planet. Interiors, 1993, 78:69-95
11. Bock G, Depth phases from local earthquakes. BMR J. Aust. Geol, Geophys., 1993, 13:275-279 (Pubitemid 23394945)
12. Bock G, Grunthal G, Wylegalla K. The 1985/86 Western Bohemia earthquakes: modeling source parameters with synthetic seismograms. Tectonophysics, 1996, 261:139-146
13. Zhu L, Helmherger D. Regional waveform Calibration in the Pamir-Hindu Kush region. J. Geophys. Res., 1997, 102:22799-22813 (Pubitemid 127684062)
14. w 5.8). Curr. Sci., 2000, 79:1301-1311
15. Saikia C, Woods B, Thio H. Calibration of the regional crustal waveguide and the retrieval of source parameters using waveform modeling. Pure Appl. Geophys., 2001, 158:1301-1338 (Pubitemid 32722620)
16. Bent A L, Perry C, Depths of eastern Canadian earthquakes from regional data. Seism. Res. Lett., 2002, 73:273-284
17. Uski M, Hyvonen T, Korja A, et al. Focal mechanisms of three earthquakes in Finland and their relation to surface faults. Tectonophysics, 2003, 363:141-157 (Pubitemid 36211565)
18. n, ≥ 2.8) in western Quebec, southern Ontario, and Northern New York. Bull. Seism. Soc. Am., 2006, 96:609-623
19. Kim Dineva, Ma, Eaton, The 4 August 2001, Lake Ontario, Earthquake. Seism. Res. Lett., 2006, 77:65-73
20. Kastrup U, Deichmann N, Frohlich A. Evidence for an active fault below the northwestern Alpine foreland of Switzerland. Geophys. J. Int., 2007, 169:1273-1288 (Pubitemid 46894906)
21. Fang M S, Du A L, Dong X P, et al. Determination of focal depth with the sPn phase (in Chinese), Seismol Geomag Obser Res. (in Chinese), 1995. 16(5):13-18
22. Ren K X, Zou L H, Liu R F, et al. Application of sPn to focal depth determination in inner Mongolia. Seismologycal and Geomagnetic Observation and Research (in Chinese), 2004, 25(3):24-31
23. Hong X, Ye W Y, Shao R P, et al. Simultaneous determination of the phase sPn with multiple station records. Seismological and Geomagnetic Observation and Research (in Chinese). 2006. 27(1):26-31
24. Gao L X, Liu F, Zhao M S, et al. Primary analysis on the seismic source depth determination using sPn phase and its application. Northwestern Seismological Journal (in Chinese), 2007, 29(3):213-244
25. Langston, An integrated study of crustal structure and regional wave propagation for southeastern missouri. Bull. Seism. Soc. Am., 1994, 84:105-118 (Pubitemid 24428109)
26. Aki Richards, Quantitative Seismology (Second Edition). Sausalito, CA. University Science Books, 2002
27. Haskell N A. Radiation pattern of surface waves from point sources in a multi-layered medium. Bull. Seism. Soc. Am., 1964, 70:1015-1036
28. Wang C Y, Herrmann R B. A numerical study of P, SV, and SH-wave generation in a plane layered medium. Bull. Seism. Soc. Am. 1980, 70:1015-1036
29. Zhu L, Rivera L A, A note on the dynamic and static displacements from a point source in multi-layered media. Geophys. J. Int., 2002, 148:619-627 (Pubitemid 34246948)
30. Magistral H. McLaughlin K, Day S. A geology-based 3-D velocity model of the Los Angeles basin sediments. Bull. Seismol. Soc. Am. 1996, 86:1161-1166
31. Chong Ni, Near surface velocity and QS structure of the Quaternary sediment in Bohai basin, China. Earthq. Sci., 2009, 22:451-458
32. Brocher T M. Compressional and shear-wave velocity versus depth relations for common rock types in Northern California. Bull. Seismol. Soc. Am. 2008. 98(2):950-968 (Pubitemid 351605795)
33. s4.8 Jiujiang-Ruichang earthquakes of the Nov. 26, 2005. Chinese J. Geophys. (in Chinese), 2008, 51(1):158-164
34. Yang Z S, Zeng W J, Relocation of the 26 Nov. 2005 Jiujiang-Ruichang M5, 7 earthquake sequence using the doublediference earthquake location algorithm. Seismological and Geomagnetic Observation and Research (in Chinese), 2007, 28(2):25-31
35. Bouchon, The importance of the surface or interface P wave in near-earthquake studies. Bulletin of the Seismological Society of America, 1978, 68(5):1293-1311
36. Klose C D, Seeber L. Shallow Seismicity in Stable Continental Regions. Seismological Research Letters, 2007, 78:554-562