Rupture directivity of microearthquake sequences near Parkfield, California

Geophysical Research Letters

Volumn 38, Issue 8, 2011, Pages

  Lengline O ^a   Got, J L ^b  

^a UNIVERSITÉ DE STRASBOURG   (France)

^b CNRS   (France)

Author keywords

[No Author keywords available]

Indexed keywords

PARKS; TECTONICS;

CALIFORNIA; DIRECTIVITY; GROUND MOTIONS; MICRO-EARTHQUAKES; MICROEARTHQUAKE SEQUENCES; REFERENCE EVENTS; REPEATING EARTHQUAKE; RUPTURE DIRECTIVITY; RUPTURE PROPAGATION; SAN ANDREAS FAULT; SURFACE RUPTURES; WAVE FORMS;

EARTHQUAKES;

AZIMUTH; COMPUTER SIMULATION; EARTHQUAKE MAGNITUDE; ENVIRONMENTAL FACTOR; ESTIMATION METHOD; MICROEARTHQUAKE; RUPTURE;

CALIFORNIA; PARKFIELD; UNITED STATES;

EID: 79955598083     PISSN: 00948276     EISSN: None     Source Type: Journal    
DOI: 10.1029/2011GL047303     Document Type: Article

References (20)

1. Ampuero, J.-P., and Y. Ben-Zion (2008), Cracks, pulses and macroscopic asymmetry of dynamic rupture on a bimaterial interface with velocity- weakening friction, Geophys. J. Int., 173, 674-692, doi:10.1111/ j.1365-246X.2008.03736.x.
2. Andrews, D. J., and Y. Ben-Zion (1997), Wrinkle-like slip pulse on a fault between different materials, J. Geophys. Res., 102, 553-571, doi:10.1029/96JB02856.
3. Andrews, D. J., and R. A. Harris (2005), The wrinkle-like slip pulse is not important in earthquake dynamics, Geophys. Res. Lett., 32, L23303, doi:10.1029/2005GL023996. (Pubitemid 43159339)
4. Bakun, W. H., et al. (2005), Implications for prediction and hazard assessment from the 2004 Parkfield earthquake, Nature, 437, 969-974, doi:10.1038/nature04067. (Pubitemid 41486972)
5. Ben-Zion, Y., and D. J. Andrews (1998), Properties and implications of dynamic rupture along a material interface, Bull. Seismol. Soc. Am., 88 (4), 1085-1094. (Pubitemid 28560816)
6. Boatwright, J. (2007), The persistence of directivity in small earthquakes, Bull. Seismol. Soc. Am., 97(6), 1850-1861, doi:10.1785/0120050228.
7. Brune, J. N. (1970), Tectonic stress and the spectra of seismic shear waves from earthquakes, J. Geophys. Res., 75, 4997-5009, doi:10.1029/ JB075i026p04997.
8. Cochard, A., and J. R. Rice (2000), Fault rupture between dissimilar materials: Ill-posedness, regularization, and slip-pulse response, J. Geophys. Res., 105, 25,891-25,907, doi:10.1029/2000JB900230.
9. Got, J.-L., and J. Fréchet (1993), Origins of amplitude variations in seismic doublets: Source or attenuation process?, Geophys. J. Int., 114, 325-340, doi:10.1111/j.1365-246X.1993.tb03921.x. (Pubitemid 23394914)
10. Harris, R. A., and S. M. Day (1997), Effects of a low-velocity zone on a dynamic rupture, Bull. Seismol. Soc. Am., 87(5), 1267-1280.
11. Harris, R. A., and S. M. Day (2005), Material contrast does not predict earthquake rupture propagation direction, Geophys. Res. Lett., 32, L23301, doi:10.1029/2005GL023941. (Pubitemid 43159337)
12. Haskell, N. A. (1964), Total energy and energy spectral density of elastic wave radiation from propagating faults, Bull. Seismol. Soc. Am., 54(6A), 1811-1841.
13. Kane, D. L., P. M. Shearer, B. Allmann, and F. L. Vernon (2009), Searching for evidence of a preferred rupture direction in small earthquakes at Parkfield, Eos Trans. AGU, 90(52), Fall Meet. Suppl., Abstract S23B-1749.
14. Lengliné, O., and D. Marsan (2009), Inferring the coseismic and postseis-mic stress changes caused by the 2004 Mw = 6 Parkfield earthquake from variations of recurrence times of microearthquakes, J. Geophys. Res., 114, B10303, doi:10.1029/2008JB006118.
15. Rubin, A. M., and J.-P. Ampuero (2007), Aftershock asymmetry on a bimaterial interface, J. Geophys. Res., 112, B05307, doi:10.1029/ 2006JB004337.
16. Rubin, A. M., and D. Gillard (2000), Aftershock asymmetry/rupture directivity among central San Andreas fault microearthquakes, J. Geophys. Res., 105, 19,095-19,109, doi:10.1029/2000JB900129.
17. Tarantola, A. (2005), Inverse Problem Theory and Methods for Model Parameter Estimation, Soc. for Ind. and Appl. Math., Philadelphia, Pa.
18. Thurber, C., H. Zhang, F. Waldhauser, J. Hardebeck, A. Michael, and D. Eberhart-Phillips (2006), Three-dimensional compressional wave-speed model, earthquake relocations, and focal mechanisms for the Parkfield, California, region, Bull. Seismol. Soc. Am., 96(4B), 38, doi:10.1785/0120050825.
19. Weertman, J. (1980), Unstable slippage across a fault that separates elastic media of different elastic constants, J. Geophys. Res., 85, 1455-1461, doi:10.1029/JB085iB03p01455.
20. Zhao, P., Z. Peng, Z. Shi, M. A. Lewis, and Y. Ben-Zion (2010), Variations of the velocity contrast and rupture properties of M6 earthquakes along the Parkfield section of the San Andreas fault, Geophys. J. Int., 180, 765-780, doi:10.1111/j.1365-246X.2009.04436.x.