Ralph Archuleta

Distinguished Professor Emeritus

Contact Phone

805-893-8441

Office Location

Webb 1111

Specialization

Seismic Source Studies, Strong Motion Seismology

Bio

Basic research interests are observing, analyzing and predicting strong motion from earthquakes. Following up on these interests involves dissecting the problem into more manageable pieces: collecting data, modeling the earthquake process itself, and understanding wave propagation in heterogeneous geological structures.

Emeritus Earth Science Newsletter 2018 Article

Publications

119 2013

Cotton, F., R. Archuleta, and M. Causse, (2013). What is sigma of the stress drop?, Seismological Research Letters, 84, doi: 10.1785/0220120087, 42-.48

 

118 2012

Schmedes, J., R. J. Archuleta, and D. Lavallée, (2012). A kinematic rupture model generator incorporating spatial interdependency of earthquake source parameters, Geophys. J. Int., doi: 10.1093/gji/ggs021

 

117 2012

*Yano, T., G. Shao, Liu, Q. C. Ji, and R. Archuleta, (2012), Coseismic and potential earlier afterslip distribution of the 2009 Mw 6.3 L'Aquila, Italy earthquake, submitted to Geophysical Journal International.

 

116 2010

Bouchon, M., H. Karabulut, M?P Bouin, J. Schmittbuhl, M. Vallée, R. Archuleta, S. Das, F. Renard, D. Marsan, (2010). Faulting characteristics of supershear earthquakes, Tectonophysics, 493, 244?253, doi: 10.1016/j.tecto.2010.06.011

 

115 2010

*Schmedes, J., R. J. Archuleta, and D. Lavallée (2010). Dependency of supershear transition and ground motion on the autocorrelation of initial stress, Tectonophysics, 493, 222?235, doi:10.1016/j.tecto.2010.05.013

 

114 2010

*Schmedes, J., R. J. Archuleta, and D. Lavallée (2010). Correlation of earthquake source parameters inferred from dynamic rupture simulations, J. Geophys. Res., 115, B03304, doi:10.1029/2009JB006689.

 

113 2009

Hillers, G., J. M. Carlson, and R. J. Archuleta, (2009). Seismicity in a model governed by competing frictional weakening and healing mechanisms, Geophys. J. Int., 178, 1363?1383, doi:10.1111/j.1365?246X.2009.04217.x

 

112 2009

Harris, R.A., M. Barall, R. Archuleta, E. Dunham, B. Aagaard, J.P. Ampuero, H. Bhat, V. Cruz?Atienza, L. Dalguer, P. Dawson, S. Day, B. Duan, G. Ely, Y. Kaneko, Y. Kase, N. Lapusta, Y. Liu, S. Ma, D. Oglesby, K. Olsen, A. Pitarka, S. Song, and E. Templeton (2009), The SCEC/USGS dynamic earthquake rupture code verification exercise, Seismological Research Letters, 80 (1), 119?126, doi: 10.1785/gssrl.80.1.119.

 

111 2009

*Custódio, S., M. T. Page and R. J. Archuleta (2009) Constraining earthquake source inversions with GPS data 2: A two?step approach to combine seismic and geodetic data, J. Geophys. Res., 114, B01315, doi:10.1029/2008JB005746.

 

110 2009

*Page, M. T., S. Custódio, R. J. Archuleta and J. M. Carlson (2009). Constraining earthquake source inversions with GPS data 1: Resolution based removal of artifacts, J. Geophys. Res., 114, B01314, doi:10.1029/2007JB005449.

 

109 2008

*Schmedes, J. and R. J. Archuleta (2008). Near?source ground motion along strike slip faults: Insights into magnitude saturation of PGV and PGA, Bull. Seismol. Soc. Am., 98, No. 5, 2278?2290, doi:10.1785/0120070209.

 

108 2007

*Ma, S., S. Custódio, R. J. Archuleta and P. Liu, (2007). Dynamic modeling of the 2004 Mw 6.0 Parkfield, California, earthquake, J. Geophys. Res., doi:10.10.1029/2007JB005216.

 

107 2007

O'Connell, D. H. R., S. Ma and R. J. Archuleta, (2007). Influence of dip and velocity heterogeneity on reverse? and normal?faulting rupture dynamics and near?fault ground motions, Bull. Seismol. Soc. Am., 97, 1970?1989, doi:10.1785/0120070042.

 

106 2007

*Ma, S., R. J. Archuleta, M. T. Page (2007). Effects of large?scale surface topography on ground motions: An example of the San Gabriel Mountains, Los Angeles, California, Bull. Seismol. Soc. Am., 97, 2066?2079, doi:10.1785/0120070040.

 

105 2007

*Custódio, S. and R. J. Archuleta (2007). Parkfield earthquakes: Characteristic or complementary?, J. Geophys. Res., 112, B05310, doi:10.1029/2006JB004617.

 

104 2006

*Tsuda, K., R. J. Archuleta, and J. Steidl (2006). Confirmation of nonlinear site response: Case study from 2003 and 2005 Miyagi?Oki earthquakes, Bull. Earthquake Res. Inst., Univ. of Tokyo, 81, 303?307.

 

103 2006

Archuleta, R. J., S. Custódio and P. Liu (2006). Resolving the source parameters of the Parkfield earthquake by multiple inversions of different data sets, Bull. Earthquake Res. Inst., Univ. of Tokyo, 81, 247?251.

 

102 2006

Archuleta, R. J., J. Steidl, M. Squibb (2006). The COSMOS Virtual Data Center: A web portal for strong motion data dissemination, Seismol. Res. Lett., 77, 651?658.

 

101 2006

Liu, P., R. J. Archuleta and S.H. Hartzell (2006), Prediction of broadband ground motion time histories: Hybrid low/high?frequency method with correlated random source parameters, Bull. Seismol. Soc. Am., 96, 2118?2130, doi:10.1785/0120060036.

 

100 2006

Liu, P., S. Custódio, and R. J. Archuleta, Inversion of near?source data including site effects for the 2004 Mw6.0 Parkfield, California, earthquake, Bull. Seismol. Soc. Am., 96, S143?S158, doi:10.1785/20050826.

 

99 2006

*Tsuda, K., J. Steidl, R. Archuleta and D. Assimaki (2006). Site response estimation for the 2003 Miyagi?Oki earthquake sequence considering nonlinear site response, Bull. Seismol. Soc. Am., 96, 1474?1482, doi: 10.1785/0120050160.

 

98 2006

*Tsuda, K., R. J. Archuleta and K. Koketsu, Quantifying spatial distribution of site response by use of the Yokohama high?density strong motion network, Bull. Seismol. Soc. Am. 96, 926?942, doi: 10.1785/0120040212.

 

97 2006

Liu, P. and R. J. Archuleta, Efficient modeling of Q for 3D numerical simulation of wave propagation, Bull. Seismol. Soc. Am., 96, 1352?1351, doi: 10.1785/0120050173.

 

96 2006

*Ma, S. and R. J. Archuleta (2006). Radiated seismic energy based on dynamic rupture models of faulting, J. Geophys. Res.,111, B05315, doi:10.1029/2005JB004055.

 

95 2006

Lavallée, D., P. Liu, and R. J. Archuleta (2006), Stochastic model of heterogeneity in earthquake slip spatial distributions, Geophys. J. Int., 165, 622?640.

 

94 2005

Bonilla, L. F., R. J. Archuleta and D. Lavallée (2005). Hysteretic and dilatant behavior of cohesionless soils and their effects on nonlinear site response: field data observations and modeling, Bull. Seismol. Soc. Am., 95, 2373?2395, doi:10.1785/0120040128.

 

93 2005

Archuleta, R. J. J. Steidl, and M. Squibb (2005). The COSMOS virtual data center: Open dissemination of worldwide strong motion data, Directions in Strong Motion Instrumentation, Proceedings of the NATO SFP Workshop on Future Directions in Instrumentation for Strong Motion and Engineering Seismology, Kusadasi, Izmir, May 17?21, 2004, NATO Science Series: IV: Earth and Environmental Sciences, Vol. 58, P. Gulkan and J. G. Anderson, (Eds.) 2005, XVI, 303 p., ISBN: 1?4020?3783?X.

 

92 2005

*Custódio, S., P. Liu and R. J. Archuleta (2005), The 2004 Mw6.0 Parkfield, California, earthquake: Inversion of near?source ground motion using multiple datasets, Geophys. Res. Lett., 32, L23312, doi:10.1029/2005GL024417.

 

91 2005

Lavallée, D. and R. J. Archuleta, (2005). Coupling of the random properties of the source and the ground motion for the 1999 Chi Chi earthquake, Geophys. Res. Lett., 32, L08311, doi:10.1029/2004GL022202.

 

90 2005

*Dunham, E. M. and R. J. Archuleta, (2005). Near?source ground motion from steady state dynamic rupture pulses, Geophys. Res. Lett., 32, No. 3, L03302, 10.1029/2004GL021793.

 

89 2004

Harris, R. A., and R. J. Archuleta (2004), Seismology: earthquake rupture dynamics: comparing the numerical simulation methods, Eos Trans. AGU, 85(34), 321.

 

88 2004

*Dunham, E. M. and R. J. Archuleta, (2004). Evidence for a supershear transient during the 2002 Denali earthquake, Bull. Seismol. Soc. Am. 94, no. 6B, S256?S268.

 

87 2004

Archuleta, R. and K. Tsuda, Spatial variation of ground motion recorded on the Yokohama City array, Proceedings of 13th World Conference on Earthquake Engineering, Vancouver, BC Canada, August 1?6, 2004, Paper no. 1544.

 

86 2004

Heuze, F, R. Archuleta, F. Bonilla, S. Day, M. Doroudian, A. Elgamal, S. Gonzales, M. Hoehler, T. Lai, D. Lavallée, B. Lawrence, P.?C. Liu, A. Martin, L. Matesic, B. Minster, R. Mellors, D. Oglesby, S. Park, M. Riemer, J. Steidl, F. Vernon, M. Vucetic, J. Wagoner, Z. Yang, (2004). Estimating site?specific strong earthquake motions, Soil Dynamics and Earthquake Engineering, 24, 199?223.

 

85 2004

*Ma, S., R. J. Archuleta and P?C. Liu (2004). Hybrid modeling of elastic P?SV wave motion: A combined finite?element and finite?difference approach, Bull. Seismol. Soc. Am., 94, 1557?1563.

 

84 2004

Liu, P?C. and R. J. Archuleta (2004). A new nonlinear finite fault inversion with 3D Green's functions: Application to 1989 Loma Prieta, California, earthquake, J. Geophys. Res., 109, B02318, doi:10.1029/2003JB002625

 

83 2003

Oglesby, D. D. and R. J. Archuleta (2003). The three?dimensional dynamics of a non?planar thrust fault, Bull. Seismol. Soc. Am., 93, 2222?2235.

 

82 2003

Archuleta, R. J. , P?C Liu, J. H. Steidl, L. F. Bonilla, D. Lavallée, and F. Heuze (2003). Finite?fault site?specific acceleration time histories that include nonlinear soil response, Physics of the Earth and Planetary Interiors, 137, 153?181, doi: 10.1016/S0031?9201(03)00013?X.

 

81 2003

Lavallée, D. and R. J. Archuleta (2003). Stochastic modeling of slip spatial complexities for the 1979 Imperial Valley, California, earthquake, Geophys. Res. Lett. 30, 1245, doi:10.1029/2002GL015839.

 

80 2003

Favreau, P. and R. J. Archuleta (2003). Direct seismic energy modeling and application to the 1979 Imperial Valley earthquake, Geophys. Res. Lett. 30, 1198, doi:10.1029/2002GL015968.

 

79 2002

Moczo, P., J. Kristek, R. J. Archuleta and L. Halada (2002). 3D staggered?grid finite?difference modeling with volume harmonic and arithmetic averaging of elastic moduli and densities, Bull. Seismol. Soc. Am.92, 3042?3066.

 

78 2002

Kristek, J., P. Moczo, and R. J. Archuleta (2002). Efficient methods to simulate planar free surface in the 3D 4th order staggered?grid finite?difference schemes, Studia Geophysica et Geodaetica, 46, 355?381

 

77 2002

*Bonilla, L. F., J. H. Steidl, J?C Gariel, and R. J. Archuleta(2002). Borehole response studies at the Garner Valley downhole array, Southern California, Bull. Seismol. Soc. Am., 92, 3165?3179.

 

76 2001

Archuleta, R. J. , L. F. Bonilla and D. Lavallée (2001). New Observations and Methods for Modeling Nonlinear Site Response, Proceeding of the Fourth International Conference on Recent Advances in Geotechnical Earthquake Engineering and Soil Mechanics, March 26?31, 2001, Reference Paper No. 3.13, 1?6

 

75 2000

*Bonilla, L. F., D. Lavallée, and R. J. Archuleta (2000). A simple model to study the effects of hysteresis and dilatant behavior of soils in nonlinear site response, Proceeding of the 6th International Conference on Seismic Zonation, Reference Paper No. 151.

 

74 2000

*Oglesby, D. D., R. J. Archuleta and S. B. Nielsen (2000). The three?dimensional dynamics of dipping faults, Bull. Seismol. Soc. Am., 90, 616?638.

 

73 2000

*Oglesby, D. D., R. J. Archuleta and S. B. Nielsen (2000). The dynamics of dip?slip faulting: explorations in two dimensions, J. Geophys. Res., 105, 13643?13653.

 

72 2000

Archuleta, R. J. , L. F. Bonilla and D. Lavallée (2000). Nonlinearity in observed and computed accelerograms, Proceedings of the Twelfth World Conference on Earthquake Engineering, New Zealand Society for Earthquake Engineering, Upper Hutt, New Zealand.

 

71 2000

Archuleta, R. J. , J. H. Steidl and L. F. Bonilla (2000). Engineering insights from data recorded on vertical arrays, Proceedings of the Twelfth World Conference on Earthquake Engineering, New Zealand Society for Earthquake Engineering, Upper Hutt, New Zealand.

 

70 1999

Archuleta, Ralph J. (1999). SSA 1999 annual meeting presidential address: storytelling, scholarship, and science, Seismol. Res. Letts., 70, p. 530?531.

 

69 1999

Archuleta, R. J. (1999). Written Testimony to the House Subcommittee on reauthorization of the 1999 NEHRP Bill, Congressional Record.

 

68 1998

Steidl, J. H., R. J. Archuleta , A. G. Tumarkin and L. F. Bonilla (1998) Observations and modeling of ground motion and pore pressure at the Garner Valley, California, test site, The Effects of Surface Geology on Seismic Motion, K. Irikura, K. Kudo, H. Okada and T. Sasatani (eds), Vol. 2, p. 225?232, A. A. Balkema, Rotterdam.

 

67 1998

Archuleta, R. J. , G. Mullendore and L. F. Bonilla (1998) Separating the variability of ground motion over small distances, The Effects of Surface Geology on Seismic Motion, K. Irikura, K. Kudo, H. Okada and T. Sasatani (eds), Vol.2, p. 1059?1065, A. A. Balkema, Rotterdam.

 

66 1998

*Bonilla, L. F., D. Lavallée and R. J. Archuleta (1998) Nonlinear site response: laboratory modeling as a constraint for modeling accelerograms, The Effects of Surface Geology on Seismic Motion, K. Irikura, K. Kudo, H. Okada and T. Sasatani (eds), Vol.2, p. 793?.800, A. A. Balkema, Rotterdam.

 

65 1998

Archuleta, R. J. (1998) Direct observation of nonlinearity in accelerograms, The Effects of Surface Geology on Seismic Motion, K. Irikura, K. Kudo, H. Okada and T. Sasatani (eds), Vol.2, p. 787?792, A. A. Balkema, Rotterdam.

 

64 1998

Archuleta, R. J. and J. H. Steidl (1998). ESG studies in the United States: results from borehole arrays, The Effects of Surface Geology on Seismic Motion, Irikura, Kudo, Okada and Sasatani (eds), Vol.1, p. 3?14, A. A. Balkema, Rotterdam.

 

63 1998

Archuleta, R. J. and K. B. Olsen (1998). Ground motion in Los Angeles: anticipating the next big earthquake, International Symposium on Natural Disaster Prediction and Mitigation, Dec. 1?5, 1997, Kyoto, Japan, 73?79.

 

62 1998

*Bonilla, L. F., J. H. Steidl, G. T. Lindley, A. G. Tumarkin and R. J. Archuleta (1998). Comparison of S?wave, coda and H/V site response methods using Northridge aftershock data, Proceedings of Northridge Earthquake CUREe Workshop, Los Angeles California, Aug. 20?22, 1997, Vol. II, 216?223.

 

61 1998

Archuleta, R. J. , P. C. Liu and A. G. Tumarkin (1997), Source inversion and ground motion prediction with empirical Green's functions, Proceedings of Northridge Earthquake CUREe Workshop, Los Angeles California, Aug. 20?22, Vol. II, 421?428.

 

60 1998

Archuleta, R. J. , G. Mullendore and L. F. Bonilla (1998). Van Norman Dam Complex: highly variable, large amplitude ground motion over small distances, 12th Engineering Mechanics Conference Proceedings, ASCE, La Jolla, CA May 17?20, 1998, 226?232.

 

59 1998

Madariaga, R., K. B. Olsen and R. J. Archuleta (1998). Modeling dynamic rupture in a 3D earthquake fault model, Bull. Seismol. Soc. Am. 88, 1182?1197.

 

58 1998

*Oglesby, D. D. , R. J. Archuleta and S. Nielsen (1998). Earthquakes on dipping faults: The effects of broken symmetry, Science 280, 1055?1059.

 

57 1997

Archuleta, R. J. , C. Nicholson, J. Steidl, L. Gurrola, C. Alex, E. Cochran, G. Ely and T. Tyler (1997). Initial source and site characterization studies for the U. C. Santa Barbara, campus, UC Campus Laboratory Collaborative Campus Earthquake Program, Lawrence Livermore National Laboratory Report, UCRL?ID?129196.

 

56 1996?1997

Seismic Evaluation Using Site Specific Ground Motion in 1996 and 1997 Federal Energy Regulatory Commission

 

55 1997

Olsen, K. B., R. Madariaga, and R. J. Archuleta (1997). Three?Dimensional Dynamic Simulation of the 1992 Landers Earthquake, Science, 278, 834?838.

 

54 1997

Tumarkin, A. G. and R. J. Archuleta (1997) , Recent advances in prediction and processing of strong ground motions, Natural Hazards, 7, 1?17.

 

53 1997

*Bonilla, L. F., J. H. Steidl, G. T. Lindley, A. G. Tumarkin and R. J. Archuleta (1997). Site amplification in the San Fernando Valley, CA: variability of site effect estimation using the S?wave, coda and H/V methods, Bull. Seismol. Soc. Am., 87, 710?730.

 

52 1997

*Oglesby, D. D. and R. J. Archuleta (1997). A faulting model for the 1992 Petrolia earthquake: Can extreme ground acceleration be a source effect?, J. Geophy. Res., 102, 11877?11,897.

 

51 1996

*Steidl, J. H. and R. J. Archuleta (1996). The 1989 Loma Prieta, California, earthquake: Are geodetic measurements and rupture models consistent? The Loma Prieta, California, Earthquake of October 17, 1989—Main?shock Characteristics, U. S. Geological Survey Professional Paper 1550?A, Ed. P. Spudich, A195?A207.

 

50 1996

*Steidl, J. H., A. G. Tumarkin, and R. J. Archuleta (1996). What is a reference site?, Bull. Seismol. Soc. Am., 86, 1733?1748.

 

49 1996

Olsen, K. B. and R. J. Archuleta (1996). Three?dimensional simulation of earthquakes on the Los Angeles fault system, Bull. Seismol. Soc. Am., 86, 575?596.

 

48 1996

Olsen, K. B. and R. J. Archuleta (1996). Site response in the Los Angeles basin from three?dimensional simulations of ground motion, Proceedings of the International Workshop on Site Response subjected to Strong Earthquake Motions, Jan. 16?17, Yokosuka, Japan, Vol. 2, Port and Harbor Research Institute, Yokosuka, Japan, 220?235.

 

47 1996

Theodulidis, N., P?Y. Bard, R. J. Archuleta and M. Bouchon (1996), Horizontal to vertical spectral ratio and geological conditions: the case of Garner Valley downhole array in southern California, Bull. Seismol. Soc. Am., 86, 306?319.

 

46 1995

Olsen, K. B., R. J. Archuleta and J. R. Matarese (1995). Three?dimensional simulation of a Magnitude 7.75 earthquake on the San Andreas Fault, Science, 270, 1628?1632.

 

45 1995

Tumarkin, A. G. and R. J. Archuleta (1995). Using small earthquakes to estimate large ground motions, Fifth International Conference on Seismic Zonation, Nice, France, Quest Éditions, Presses Académiques, 1173?1180.

 

44 1994

Tumarkin, A. G. and R. J. Archuleta (1994). Empirical ground?motion prediction, Annali di Geofisica (Special Issue: Proceedings of the International School on Earthquake Source Mechanics), 1691?1720.

 

43 1994

*Lindley, G. T. and R. J. Archuleta (1994). Variation of seismic site effects in the Santa Cruz Mountains, California, The Loma Prieta, California, earthquake of October 17, 1989—Strong Ground Motion, U. S. Geological Survey Professional Paper 1551?A, 243?253.

 

42 1994

Tumarkin, A. G., R. J. Archuleta and R. Madariaga (1994). Basic scaling relations for composite earthquake models, Bull. Seismol. Soc. Am., 84, 1279?1283.

 

41 1994

Archuleta, R. J. and A. G. Tumarkin (1994). Empirical prediction of site?specific ground motion spectra, In Proceedings of the International Workshop on Strong Motion Data, December 13?17, 1993, Menlo Park, CA Vol.2, Port and Harbor Research Institute, Yokosuka, Japan, 301?316.

 

40 1993

Campillo, M. and R. J. Archuleta (1993). A rupture model for the 28 June 1992 Landers, California, earthquake, Geophys. Res. Letters, 20, 647?650.

 

39 1992

*Lindley, G. T. and R. J. Archuleta (1992). Earthquake source parameters and the frequency dependence of attenuation at Coalinga, Mammoth Lakes and the Santa Cruz Mountains, California, J. Geophys. Res., 97, 14,137?14,154.

 

38 1992

Archuleta, R. J. , S. H. Seale, P. V. Sangas, L. M. Baker, and S. T. Swain (1992). Garner Valley downhole array of accelerometers: instrumentation and preliminary data analysis, Bull. Seismol. Soc. Am, 82, 1592?1621. (Correction, ibid, 83, 2039)

 

37 1991

*Steidl, J. H., R. J. Archuleta and S. H. Hartzell (1991). Rupture history of the 1989 Loma Prieta, California, earthquake by nonlinear inversion of strong motion data, Bull. Seismol. Soc. Am., 81, 1573?1602.

 

36 1991

*Harris, R. A., R. J. Archuleta and S. M. Day (1991). Fault steps and the dynamic rupture process: 2?D numerical simulations of a spontaneously propagating shear fracture, Geophys. Res. Letters, 18, 893?896.

 

35 1991

*Goldstein, P. and R. J. Archuleta (1991). Direct measurements of rupture propagation during earthquakes using a dense array: data analysis, J. Geophys. Res., 96, 6187?6198.

 

34 1991

*Goldstein, P. and R. J. Archuleta (1991). Deterministic Frequency?Wavenumber Methods and Direct Measurement of Rupture Propagation During Earthquakes Using a Dense Array: Theory and Methods, J. Geophys. Res., 96, 6173?6185.

 

33 1991

Seale S. H. and R. J. Archuleta , (1991). Analysis of site effects at the Garner Valley downhole array near the San Jacinto fault, Second International Conference on Recent Advances in Geotechnical Earthquake Engineering and Soil Dynamics, Paper 8.13, St. Louis, Missouri, 1991, 1203?1210.

 

32 1990

Archuleta, R. J. and S. H. Seale (1990). Seismic studies of soil dynamics at Garner Valley, California, Transactions of the Eighteenth Water Reactor Safety Information Meeting, Office of Nuclear Regulatory Research, U. S. Nuclear Regulatory Commission, Rockville, Maryland, 1990.

 

31 1990

Gariel, J?C., R. J. Archuleta and M. Bouchon (1990). Rupture process of an earthquake with a kilometric size fault inferred from modeling near?source records, Bull. Seismol. Soc. Am. 90, p.870?888.

 

30 1989

Seale, S. H., and R. J. Archuleta (1989). Site amplification and attenuation of strong ground motion, Bull. Seismol. Soc. Am., 79, 1673?1696.

 

29 1989

Archuleta, R. J. and S. H. Seale (1989). A cooperative NRC/CEA research project on earthquake ground motion on soil sites: data and preliminary analysis, Transactions of the 10th International Conference on Structural Mechanics in Reactor Technology, Vol. K1: Seismic Response Analysis and Design, Ed. A. H. Hadjian, American Association for Structural Mechanics in Reactor Technology, Los Angeles, 85?90.

 

28 1989

Archuleta, R. J. and R. A. Harris (1989). A simple crustal structure satisfying strong ground motion between Whittier and North Palm Springs. SMIP89 Seminar on Seismological and Engineering Implications of Recent Strong?Motion Data. California Dept. of Conservation, Division of Mines and Geology, May, 1989.

 

27 1988

*Harris, R. A. and R. J. Archuleta (1988). Slip budget and potential for a M7 earthquake in central California, Geophys. Res. Lett., 15, 1215?1218.

 

26 1988

Seale, S. H. and R. J. Archuleta (1988). Site effects at McGee Creek, California, In Earthquake Engineering and Soil Dynamics II ?? Recent Advances in Ground Motion Evaluation. Amer. Soc. Civil Eng., New York City, N. Y., 173?187.

 

25 1988

*Chadwick, W. W. Jr., R. J. Archuleta and D. A. Swanson (1988). The mechanics of ground deformation precursory to dome?building extrusions at Mount St. Helens: 1981?1982. J. Geophys. Res., 93, 4351?4366.

 

24 1987

Archuleta, R. J. , J. Watson, J. B. Fletcher and E. Sembera. (1987). Source parameters for two aftershocks. In The Morgan Hill, California, Earthquake of April 24, 1984, U. S. Geological Survey Bulletin 1639, Seena N. Hoose, Ed., p33?51.

 

23 1987

*Goldstein, P., and R. J. Archuleta (1987). Array analysis of seismic signals: Geophys. Res. Lett., 41, 13?16.

 

22 1987

Spudich, P., and R. J. Archuleta (1987). Techniques for earthquake ground?motion calculation with application to source parameterization of finite faults, Chapter 5. In Seismic Strong Motion Synthetics, Computational Techniques, B. Bolt, Ed., Academic Press, New York, p205?265.

 

21 1986

Archuleta, R. J. (1986). Downhole recordings of seismic radiation, In Earthquake Source Mechanics, Maurice Ewing Vol. 6, Geophysical Monograph 37, S. Das, J. Boatwright and C. Scholz, Eds., American Geophysical Union, Washington, D.C., 319?329.

 

20 1985

Archuleta, R. J. (1985). Simulating the near?source ground motion of the 1979 Imperial Valley earthquake, Proceedings: Strong?Ground Motion Simulation and Earthquake Engineering Applications, Eds. R. E. Scholl and J. King, Earthquake Engineering Research Institute and Electric Power Research Institute, 20.1?20.8.

 

19 1985

Stuart, W. D., R. J. Archuleta , and A. G. Lindh. (1985). Forecast model for moderate earthquakes near Parkfield, California: J. Geophys. Res., 90, 592?604.

 

18 1984

Archuleta, R. J. (1984). Modeling strong motion data from the 1979 Imperial Valley earthquake: Proceedings of the Eighth World Conference on Earthquake Engineering, vol. 2, Ground Motion and Seismicity, Prentice?Hall, Inc., Englewood Cliffs, N. J., 369?376.

 

17 1984

Archuleta, R. J. (1984). A faulting model for the 1979 Imperial Valley earthquake: J. Geophys. Res., 89, 4559?4585.

 

16 1982

Archuleta, R. J. (1982). Analysis of near?source static and dynamic measurements from the 1979 Imperial Valley earthquake: Bull. Seismol. Soc. Am., 72, Pt. A, 1927?1956.

 

15 1982

Archuleta, R. J. , and P. Spudich, (1982). Analysis of near?source static and dynamic measurements from the 1979 Imperial Valley earthquake, Proc. Workshop VXI, The Dynamic Characteristics of Faulting Inferred from Recordings of Strong Ground Motion: U. S. Geological Survey Open?File Report 82?591, 784?838.

 

14 1982

Archuleta, R. J. (1982). Hypocenter for the 1979 Imperial Valley earthquake: Geophys. Res. Letters, 9, 625?628.

 

13 1982

Archuleta, R. J. , E. Cranswick, C. Mueller, and P. Spudich (1982). Source parameters of the 1980 Mammoth Lakes, California, earthquake sequence: J. Geophys. Res., 87, 4595?4607.

 

12 1981

Archuleta, R. J. , and S. H. Hartzell (1981). Effects of fault finiteness on near?source ground motion: Bull. Seismol. Soc. Am., 71, 939?957.

 

11 1981

Mueller, C., P. Spudich, E. Cranswick, and R. J. Archuleta(1981). Preliminary analysis of digital seismograms from the Mammoth Lakes, California earthquake sequence of May?June 1980: U. S. Geological Survey Open?File Report 81 155.

 

10 1980

Archuleta, R. J. , and S. M. Day (1980). Dynamic rupture in a layered medium: an example, the 1966 Park?field earthquake: Bull. Seismol. Soc. Am., 70, 671?690.

 

9 1979

Hartzell, S. H., and R. J. Archuleta (1979). Rupture propagation and focusing of energy in a foam rubber model of a stick slip earthquake: J. Geophys. Res., 84, 3623?3636. Also a correction in J. Geophys. Res., 84, 6912.

 

8 1979

Brune, J. N., R. J. Archuleta , and S. H. Hartzell (1979). Far?field S?wave spectra, corner frequencies and pulse shapes: J. Geophys. Res., 84, 2262?2272. Also published in Fault Mechanics and Its Relation to Earthquake Prediction, U. S. Geological Survey Open?File Report 78?380.

 

7 1979

Archuleta, R. J. , W. B. Joyner, and D. M. Boore (1979). A method for predicting ground motion at specific sites, progress on seismic zonation in the San Francisco Bay region: U. S. Geological Survey Circular 807, E. Brabb, ed., p. 25?36.

 

6 1978

Archuleta, R. J. , and G. A. Frazier (1978). Three?dimensional numerical simulations of dynamic faulting in a half?space: Bull. Seismol. Soc. Am., 68, 541?572.

 

5 1978

Archuleta, R. J. , W. B. Joyner, and D. M. and Boore (1978). Progress in estimating ground motion: Proc. Second International Conference on Microzonation, San Francisco, California, published by University of Washington, Seattle, Washington, 255?265.

 

4 1976

Archuleta, R. J. (1976). Experimental and numerical three?dimensional simulations of strike?slip earthquakes: Ph.D. dissertation, University of California, San Diego, 1?128.

 

3 1975

Archuleta, R. J. , J. N. and Brune (1975). Surface strong motion associated with a strike?slip event in a foam rubber model of earthquakes: Bull. Seismol. Soc. Am., 65, 1059?1071.

 

2 1971

Archuleta, R. J., and S. E. DeForest (1971). Efficiency of channel electron multipliers for electrons 1?50 KeV, Rev. Sci. Instrum., 42, 89?91.

 

1 1970 Focks, R. W., D. J. Hofmann, G.J. Erickson, J. S. Mentek, and R. J. Archuleta (1970) Electronic balloon?payload cutdown timer: Rev. Sci. Instrum., 41, 131?132.

 

Courses

EARTH 20. Geological Catastrophes

EARTH 134. Introduction to Geological and Geophysical Data Analysis

EARTH 136. Geophysics (Seismology)

EARTH 200. Introduction to Geophysics

EARTH 236. Geophysics Seismology

EARTH 254. Advanced Seismology Seminar