Source radiation invariant property of local and near-regional shear-wave coda: Application to source scaling for the Mw 5.9 Wells, Nevada sequence

Geophysical Research Letters

Volumn 37, Issue 7, 2010, Pages

  Mayeda, Kevin ^a,b   Malagnini, Luca ^c  

^a Weston Geophysical Corporation   (United States)

^b UNIVERSITY OF CALIFORNIA   (United States)

^c ISTITUTO NAZIONALE DI GEOFISICA E VULCANOLOGIA   (Italy)

Author keywords

coda; source scaling; stress drop

Indexed keywords

EARTHQUAKES; SHEAR WAVES; STRUCTURAL GEOLOGY;

CODA; CORNER FREQUENCY; FOCAL MECHANISM; INVARIANT PROPERTIES; SOURCE DIRECTIVITY; SOURCE-SCALING; STRESS DROP; STRIKE-SLIP EVENTS;

SHEAR FLOW;

EID: 85082766701     PISSN: 00948276     EISSN: 19448007     Source Type: Journal    
DOI: 10.1029/2009GL042148     Document Type: Article

References (21)

1. Aki, K. (1967), Scaling law of seismic spectrum, J. Geophys. Res., 72, 1217–1231, doi:10.1029/JZ072i004p01217.
2. Aki, K. (1969), Analysis of seismic coda of local earthquakes as scattered waves, J. Geophys. Res., 74, 615–631, doi:10.1029/JB074i002p00615.
3. Brune, J. N. (1970), Tectonic stress and spectra of seismic shear waves from earthquakes, J. Geophys. Res., 75, 4997–5009, doi:10.1029/JB075i026p04997.
4. Dreger, D. S., S. R. Ford, and I. Ryder (2009), Finite-source study of the Wells, Nevada earthquake, Nev. Bur. of Mines and Geol., Reno.
5. Hartzell, S. E. (1978), Earthquake aftershocks as Green's functions, Geophys. Res. Lett., 5, 1–5, doi:10.1029/GL005i001p00001.
6. Kanamori, H., and L. Rivera (2004), Static and dynamic scaling relations for earthquake and their implications for rupture speed and stress drop, Bull. Seismol. Soc. Am., 94, 314–319, doi:10.1785/0120030159.
7. Levander, A., E. D. Humphreys, G. Ekstrom, A. S. Meltzer, and P. M. Shearer (1999), Proposed project would give unprecedented look under North America, Eos Trans. AGU, 80, 245–251, doi:10.1029/99EO00181.
8. Malagnini, L., L. Scognamiglio, A. Mercuri, A. Akinci, and K. Mayeda (2008), Strong evidence for non-similar earthquake source scaling in central Italy, Geophys. Res. Lett., 35, L17303, doi:10.1029/2008GL034310.
9. Malagnini, L., S. Nielsen, K. Mayeda, and E. Boschi (2010), Energy radiation from intermediate to large magnitude earthquakes: implications for dynamic fault weakening, J. Geophys. Res., doi:10.1029/2009JB006786, in press.
10. w = 5.5, Geophys. Res. Lett., 36, L10308, doi:10.1029/2009GL037421.
11. Mayeda, K., and W. R. Walter (1996), Moment, energy, stress drop, and source spectra of western U.S. earthquakes, J. Geophys. Res., 101, 11,195–11,208, doi:10.1029/96JB00112.
12. Mayeda, K., L. Malagnini, and W. R. Walter (2007), A new spectral ratio method using narrow band coda envelopes: Evidence for non-self-similarity in the Hector Mine sequence, Geophys. Res. Lett., 34, L11303, doi:10.1029/2007GL030041.
13. Mendoza, C., and S. Hartzell (2009), Source analysis using regional empirical Green's functions: The 2008 Wells, Nevada, earthquake, Geophys. Res. Lett., 36, L11302, doi:10.1029/2009GL038073.
14. Mori, J., and S. Hartzell (1990), Source inversion of the 1988 Upland earthquake: Determination of a fault plane for a small event, Bull. Seismol. Soc. Am., 80, 507–518.
15. Phillips, W. S., and K. Aki (1986), Site amplification of coda waves from local earthquakes in central California, Bull. Seismol. Soc. Am., 76, 627–648.
16. Phillips, W. S., and R. J. Stead (2008), Attenuation of Lg in the western US using the USArray, Geophys. Res. Lett., 35, L07307, doi:10.1029/2007GL032926.
17. Sato, H., and M. Fehler (1998), Seismic Wave Propagation and Scattering in the Heterogeneous Earth, Am. Inst. of Phys., New York.
18. Walter, W. R., and S. R. Taylor (2001). A revised magnitude and distance amplitude correction (MDAC2) procedure for regional seismic discriminants: Theory and testing at NTS, Lawrence Livermore Natl. Lab. Rep. UCRL-ID-146882, Livermore, Calif. (Available at http://www.llnl.gov/tid/lof/documents/pdf/240563.pdf).
19. Wyss, M. (1970), Stress estimates of South American shallow and deep earthquakes, J. Geophys. Res., 75, 1529–1544, doi:10.1029/JB075i008p01529.
20. Xie, J. K., and B. J. Mitchell (1990), A back-projection method for imaging large-scale lateral variations of Lg coda Q with application to continental Africa, Geophys. J. Int., 100, 161–181, doi:10.1111/j.1365-246X.1990.tb02477.x.
21. Yoo, S.-H., J. Rhie, H. Choi, and K. Mayeda (2010), Evidence for non-self-similarity and transitional increment of scaled energy in the 2005 West Off Fukuoka seismic sequence, J. Geophys. Res., doi:10.1029/2009JB007169, in press.