Xie, J., M.H. Ritzwoller, S. Brownlee, and B. Hacker,
Inferring the oriented elastic tensor from surface wave observations: Preliminary application across the Western US,
Geophys. J. Int., submitted, 2014.
(pdf)
Ye, T. and M.H. Ritzwoller,
Directionality of ambient noise on the Juan de Fuca Plate: Implications for source locations of the primary and secondary microseisms,
Geophys. J. Int., submitted, 2014.
(pdf)
2014
Hacker, B.R., M.H. Ritzwoller, and J. Xie,
Central Tibet has a partially melted, mica-bearing crust,
Tectonics, 33, doi:10.1002/2014TC003534, 2014.
(pdf)
Levandowski, W., C. Jones, W. Shen, M.H. Ritzwoller and V. Schulte-Pelkum,
Origins of topography in the Western US: Mapping crustal and upper mantle density variations using a uniform seismic velocity model, J. Geophys. Res., 119, 2375-2396, doi: 10.1002/2013JB010607, 2014.
(pdf)
2013
Kao, H., Y. Behr, C. Currie, R. Hyndman, J. Townend, F.-C. Lin, M.H. Ritzwoller, S.-J. Shan, and J. He,
Ambient seismic noise tomography of Canada and adjacent regions: Part I Crustal structures, J. Geophys. Res., 118, 5865-5887, doi:10.1002/2013JB010535, 2013.
(pdf)
Shen, W., M.H. Ritzwoller, V. Schulte-Pelkum, F.-C. Lin,
Joint inversion of surface wave dispersion and receiver functions: A Bayesian Monte-Carlo approach, Geophys. J. Int., 192, 807-836, doi:10.1093/gji/ggs050, 2013.
(pdf)
Shen, W., M.H. Ritzwoller, and V. Schulte-Pelkum,
A 3-D model of the crust and uppermost mantle beneath the central and western US by joint inversion of receiver functions and surface wave dispersion, J. Geophys. Res., doi:10.1029/2012JB009602, 118, 1-15, 2013.
(pdf)
Shen, W., M.H. Ritzwoller, and V. Schulte-Pelkum,
Crustal and uppermost mantle structure in the central US encompassing the Midcontinent Rift, J. Geophys. Res., 118, 4325-4344, doi:10.1002/jgrb.50321, 2013.
(pdf)
Xie, J., M.H. Ritzwoller, W. Shen, Y. Yang, Y. Zheng, and L. Zhou,
Crustal radial anisotropy across eastern Tibet and the western Yangtze craton, J. Geophys. Res., 118, 4226-4252, doi:10.1002/jgrb.50296, 2013.
(pdf)
Ye, T., W. Shen, and M.H. Ritzwoller, Crustal and uppermost mantle shear velocity structure adjacent to the Juan de Fuca Ridge from ambient seismic noise, Geochem. Geophys. Geosyst., 14(8), 3221-3233, doi:10.1002/ggge.20206, 2013.
(pdf)
2012
Levshin, A.L., M.P. Barmin, M.P. Moschetti, C. Mendoza, and M.H. Ritzwoller,
Refinements to the method of epicentral location based on surface waves from ambient seismic noise: Introducing Love waves, Geophys. J. Int., doi: 10.1111/j.1365-246X.2012.05631.x, 2012.
(pdf)
Lin, F.-C., V. Tsai, and M.H. Ritzwoller,
The local amplification of surface waves: A new observable to constrain elastic velocities, density, and anelastic attenuation, J. Geophys. Res., 117, B06302, doi:10.1029/2012JB009208, 2012.
(pdf)
Ritzwoller, M.H., A.L.Levshin, and M.P. Barmin,
Exploiting ambient noise for source characterization of regional seismic events,
Proceedings of the 34nd Monitoring Research Review of Ground-Based Nuclear Explosion Monitoring Technologies, 11 pages, Arbuquerque, NM, 2012.
(pdf)
Yang, Y., M.H. Ritzwoller, Y. Zheng, W. Shen, A.L. Levshin, and Z. Xie,
A synoptic view of the distribution and connectivity of the mid-crustal low velocity zone beneath Tibet, J. Geophys. Res., 117, B04303, doi:10.1029/2011JB008810, 2012.
(pdf)
Zheng, Y., J. Li, Z. Xi, and M.H. Ritzwoller,
5 Hz GPS seismology of the El Mayor-Cucapah earthquake: Estimating the earthquake focal mechanism, Geophys. J. Int., 190, 1723-1732, doi: 10.1111/j.1365-246X.2012.05576.x, 2012.
(pdf)
Zhou, L., J. Xie, W. Shen, Y. Zheng, Y. Yang. H. Shi, and M.H. Ritzwoller,
The structure of the crust and uppermost mantle beneath South China from ambient noise and earthquake tomography, Geophys. J. Int., doi: 10.1111/j.1365-246X.2012.05423.x, 2012.
(pdf)
2011
Barmin, M.P., A.L. Levshin, Y. Yang, and M.H. Ritzwoller,
Epicentral location based on Rayleigh wave empirical Green's functions from ambient seismic noise,
Geophys. J. Int., 184 (2), 869-884, 2011.
(pdf)
Levshin, A.L., M.P. Barmin, and M.H. Ritzwoller,
Location of regional seismic events based on Love wave empirical Green's functions from ambient noise,
Proceedings of the 33nd Monitoring Research Review of Ground-Based Nuclear Explosion Monitoring Technologies, 9 pages, Tucson, AR, 2011.
(pdf)
Lin, F.C., M.H. Ritzwoller, Y. Yang, M.P. Moschetti, and M.J. Fouch,
Complex and variable crustal and uppermost mantle seismic anisotropy in the western United States ,
Nature Geoscience, Vol 4, Issue 1, 55-61, Jan 2011.
(pdf)
Lin, F.C., M.H. Ritzwoller, and W. Shen,
On the reliability of attenuation measurements from ambient noise cross-correlations,
Geophys. Res. Letts., 38, L11303, doi:10.1029/2011GL047366, 2011.
(pdf)
Lin, F.C. and M.H. Ritzwoller,
Helmholtz surface wave tomography for isotropic and azimuthally anisotropic structure,
Geophys. J. Int., 186, 1104-1120, doi:10.1111/j.1365-246X.2011.05070.x, 2011.
(pdf)
Lin, F.C. and M.H. Ritzwoller,
Apparent anisotropy in inhomogeneous isotropic media,
Geophys. J. Int., 186(3), 1205-1219, doi:10.1111/j.1365-246X.2011.05100.x, 2011.
(pdf)
Ritzwoller, M.H., F.C. Lin, and W. Shen,
Ambient noise tomography with a large seismic array,
Compte Rendus Geoscience, 13 pages, doi:10.1016/j.crte.2011.03.007, 2011.
(pdf)
Yang,Y., W. Shen and M.H. Ritzwoller,
Surface wave tomography in a large-scale seismic array combining ambient noise and teleseismic earthquake data, Earthquake Science, 24, 55-64, 2011.
(pdf)
Yang, Y., M.H. Ritzwoller, and C.H. Jones,
Crustal structure determined from ambient noise tomography near the magmatic centers of the Coso region, southeastern California,
Geochem. Geophys. Geosyst., 12, Q02009, doi:10.1029/2010GC003362, 2011.
(pdf)
Zheng, Y., W. Shen, L. Zhou, Y. Yang, Z. Xie, and M.H. Ritzwoller,
Crust and uppermost mantle beneath the North China Craton, northeastern China, and the Sea of Japan from ambient noise tomography,
J. Geophys. Res., 116, B12312, doi:10.1029/2011JB008637, 2011.
(pdf)
2010
Bergman, E.A., E.R. Engdahl. M.H. Ritzwoller, and S.C. Myers,
Earthquake location accuary in the Arabian-Eurasian collision zone,
Proceedings of the 32nd Monitoring Research Review of Ground-Based Nuclear Explosion Monitoring Technologies, 10 pages, Orlando, FL.
(Sept 21 - 23), 2010.
(pdf)
Levshin, A.L., X. Yang, M.P. Barmin, and M.H. Ritzwoller,
Mid-period Rayleigh wave attenuation model for Asia,
Geochem. Geophys. Geosyst., 11(8), Q08017, doi:10.1029/2010GC003164., 20 August 2010.
(pdf)
Lin, F.C. and M.H. Ritzwoller,
Empirically determined finite frequency sensitivity kernels for surface waves, Geophys. J. Int., 182, 923-932, doi: 10.1111/j.1365-246X.2010.04643.x, 2010.
(pdf)
Moschetti, M.P., M.H. Ritzwoller, and F.C. Lin,
Seismic evidence for widespread crustal deformation caused by extension
in the western USA,
Nature, 464, Number 7290, 885-889, 8 April 2010.
(pdf)
Moschetti, M.P., M.H. Ritzwoller, F.C. Lin, and Y. Yang,
Crustal shear velocity structure of the western US inferred from amient noise
and earthquake data,
J. Geophys. Res., 115, B10306, doi:10.1029/2010JB007448, 2010.
(pdf)
Ritzwoller, M.H., M.P. Barmin, A.L. Levshin, and Y. Yang,
Epicentral location of regional seismic events based on empirical Green's
functions from ambient noise,
Proceedings of the 32nd Monitoring Research Review of Ground-Based Nuclear Explosion Monitoring Technologies, 10 pages, Orlando, FL,
(Sept 21 - 23), 2010.
(pdf)
Sun, X., X. Song, S. Zheng, Y. Yang, M. Ritzwoller,
Three dimensional shear velocity structure of the crust and upper mantle beneath China from ambient noise surface wave tomography,
Earthquake Science, 23, 449-463, doi:10.1007/s11589-010-0744-3, 2010.
(pdf)(Link to special issue of Earthquake Science on ambient noise seismology.)
Yang, Y., et al.,
Rayleigh wave phase velocity maps of Tibet and the surrounding regions from
ambient seismic noise tomography,
Geochem., Geophys., Geosys., 11(8), Q08010, doi:10.1029/2010GC003119, 6 August 2010.
(pdf)
Zheng, Y., Y. Yang, M.H. Ritzwoller, X. Zheng, X. Xiong, Z. Li,
Crustal structure of the northeastern Tibetan Plateau, the Ordos Block and the Sichuan Basin from ambient noise tomography,
Earthquake Science, 23, 465-476, doi:10.1007/s11589-010-0745-3, 2010.
(pdf) (Link to special issue of Earthquake Science on ambient noise seismology.)
2009
Bensen, G.D., M.H. Ritzwoller, and Y. Yang,
A 3D shear velocity model of the crust and uppermost mantle
beneath the United States from ambient seismic noise,
Geophys. J. Int., 177(3), 1177-1196, 2009.
(pdf)
Lin, F.-C., M.H. Ritzwoller, and R. Snieder,
Eikonal Tomography: Surface wave tomography by phase-front tracking
across a regional broad-band seismic array,
Geophys. J. Int., 177(3), 1091-1110, 2009.
(pdf)
Ritzwoller, M.H.,
Ambient noise seismic imaging,
McGraw Hill Yearbook of Science and Technology 2009.
(pdf)
Ritzwoller, M.H., M.P. Barmin, A.L. Levshin, and Y. Yang,
Epicentral location of regional seismic events based on empirical Green's
functions from ambient noise,
Proceedings of the 31th Monitoring Research Review of Ground-Based Nuclear Explosion Monitoring Technologies, 11 pages, Tucson, AR.
(Sept 21 - 23), 2009.
(pdf)
Song, X., Z. Xu, X. Sun, S. Zheng, Y. Yang, and M.H. Ritzwoller,
Surface wave dispersion measurements and tomography from abmient noise correlation
in China,
Proceedings of the 31th Monitoring Research Review of Ground-Based Nuclear Explosion Monitoring Technologies, 11 pages, Tucson, AR.
(Sept 21 - 23), 2009.
(pdf)
2008
Bensen, G.D., M.H. Ritzwoller, and N.M. Shapiro,
Broad-band ambient noise surface wave tomography across the
United States,
J. Geophys. Res., 113, B05306, 21 pages, doi:10.1029/2007JB005248, 2008.
(pdf)
Bergman, E.A., E.R. Engdahl, M.H. Ritzwoller, and S.C. Myers,
Crustal structure of the Iran region from in-country and ground truth data,
Proceedings of the 30th Monitoring Research Review of Ground-Based Nuclear Explosion Monitoring Technologies, 10 pages, Portsmouth, VA
(Sept 23 - 25), 2008.
(pdf)
Levshin, A.L., M.P. Barmin, X. Yang, M.H. Ritzwoller,
Toward a Rayleigh wave attenuation model for Asia and surrounding
regions,
Proceedings of the 30th Monitoring Research Review of Ground-Based Nuclear Explosion Monitoring Technologies, 10 pages, Portsmouth, VA
(Sept 23 - 25), 2008.
(pdf)
Lin, F., M.P. Moschetti, and M.H. Ritzwoller,
Surface wave tomography of the western United States from
ambient seismic noise: Rayleigh and Love wave phase velocity maps,
Geophys. J. Int., doi:10.1111/j1365-246X.2008.03720.x, 2008.
(pdf)
Ritzwoller, M.H.,
Ambient noise tomography in the western US using data from the EarthScope/USArray
Transportable Array,
IRIS's Annual Report 2008.
(pdf)
Ritzwoller, M.H., Y. Yang, M. Pasyanos, and S. Zheng,
Short period surface wave dispersion from ambient noise tomography in
western China,
Proceedings of the 30th Monitoring Research Review of Ground-Based Nuclear Explosion Monitoring Technologies, 10 pages, Portsmouth, VA
(Sept 23 - 25), 2008.
(pdf)
Shapiro, N.M., M.H.
Ritzwoller, and E.R. Engdahl,
Structural context of the great Sumatra-Andaman Island earthquake,
Geophs. Res. Lett., 35, L05301,
doi:10.1029/2008GL033381, 2008.
(pdf)
Song, X., X. Sun, S. Zheng, Y. Yang, and M.H. Ritzwoller,
Surface wave dispersion measurements and tomography from ambient
seismic noise correlation in China,
Proceedings of the 30th Monitoring Research Review of Ground-Based Nuclear Explosion Monitoring Technologies, 10 pages, Portsmouth, VA
(Sept 23 - 25), 2008.
(pdf)
Yang, Y. and M.H. Ritzwoller,
The characteristics of ambient seismic noise as a source for surface
wave tomography,
Geochem., Geophys., Geosys., 9(2), Q02008, 18 pages,
doi:10.1029/2007GC001814, 2008.
(pdf,
html)
Yang, Y., A. Li, and M.H. Ritzwoller,
Crustal and uppermost mantle structure in southern Africa
revealed from ambient noise and teleseismic tomography,
Geophys. J. Int., doi:10.1111/j.1365-246X.2008.03779.x, 2008.
(pdf)
Yang, Y. and M.H. Ritzwoller,
Teleseismic surface wave tomography in the western US using
the Transportable Array component of USArray,
Geophys. Res. Letts., 5, L04308, doi:10.1029/2007GL032278, 2008
(pdf)
Yang, Y., M.H. Ritzwoller, F.-C. Lin, M.P. Moschetti, and N.M. Shapiro,
The structure of the crust and uppermost mantle beneath the western
US revealed by ambient noise and earthquake tomography,
J. Geophys. Res., 113, B12310, 2008.
(pdf)
Zheng, S., X. Sun, X. Song, Y. Yang, and M. H. Ritzwoller (2008),
Surface wave tomography of China from ambient seismic noise correlation,
Geochem. Geophys. Geosyst., 9, Q0502, doi:10.1029/2008GC001981, 2008.
(pdf)
2007
Bensen, G.D., M.H. Ritzwoller, M.P. Barmin, A.L. Levshin,
F. Lin, M.P. Moschetti, N.M. Shapiro, and Y. Yang,
Processing seismic ambient noise data to obtain reliable
broad-band surface wave dispersion measurements, Geophys. J. Int., 169, 1239-1260,
doi: 10.1111/j.1365-246X.2007.03374.x, 2007.
(pdf)
Levshin, A.L., J. Schweitzer, C. Weidle, N.M. Shapiro,
and M.H. Ritzwoller,
Surface wave tomography of the Barents Sea and surrounding
regions, Geophys. J. Int., doi:10.1111/j.1365-246X.2006.03285.x, 2007.
(pdf)
Levshin, A.L., M.P. Barmin, X. Yang, M.H. Ritzwoller, and G.E. Randall,
Toward a Rayleigh wave attenuation model for Central Asia and surrounding regions,
Proceedings of the 29th Monitoring Research Review of Ground-Based Nuclear Explosion Monitoring Technologies, 10 pages, Denver, CO
(Sept 25 - 27), 2007.
(pdf)
Lin, F., M.H. Ritzwoller, J. Townend, M. Savage, S. Bannister,
Ambient noise Rayleigh wave tomography of New Zealand,
Geophys. J. Int., 18 pages, doi:10.1111/j.1365-246X.2007.03414.x, 2007.
(pdf)
Moschetti, M.P., M.H. Ritzwoller, and N.M. Shapiro,
Surface wave tomography of the western
United States from ambient seismic noise: Rayleigh wave group velocity
maps, Geochem., Geophys., Geosys., 8, Q08010, doi:10.1029/2007GC001655.
(pdf)
Ritzwoller, M.H., Y. Yang, R. Richmond, M.E. Pasyanos,
A. Villasenor, V. Levin, R. Hofstetter, V. Pinsky, N. Kraeva, and A. Lerner-Lam,
Short period surface wave dispersion across the Mediterranean region: Improvements
using regional seismic networks,
Proceedings of the 29th Monitoring Research Review of Ground-Based Nuclear Explosion Monitoring Technologies, 10 pages, Denver, CO
(Sept 25 - 27), 2007.
(pdf)
Yang, Y., M.H. Ritzwoller, A.L. Levshin, and
N.M. Shapiro,
Ambient noise Rayleigh wave tomography across Europe, Geophys. J. Int., 168(1), page 259, 2007.
(pdf)
Villasenor, A., Y. Yang, M.H. Ritzwoller,
and J. Gallart,
Ambient noise surface wave tomography of the Iberian Peninsula:
Implications for shallow seismic structure,
Geophys. Res. Lett., 34, L11304, doi:10.1029/2007GL030164..
(pdf)
Zhong, S., M.H. Ritzwoller, N.M. Shapiro, W. Landuyt, J. Huang, and P. Wessel,
Bathymetry of the Pacific Plate and its implications for the
thermal evolution of lithosphere and mantle dynamics, J. Geophys. Res., 112, B06412, doi:1029/2006JB004628, 1007.
(pdf)
2006
Levshin, A.L., X. Yang, M.H. Ritzwoller,
M.P. Barmin, A.R. Lowry,
Toward a Rayleigh wave attenuation model for Central Asia,
Proceedings of the 28th Seismic Research Review -- Ground-Based Nuclear Explosion Monitoring, Orlando, FL
(Sept 19 - 21), 2006.
(pdf)
Lin, F., M. H. Ritzwoller, and N. M. Shapiro,
Is ambient noise tomography across ocean basins possible?,
Geophys. Res. Lett., 33, L14304, doi:10.1029/2006GL026610, 2006.
(pdf)
Ritzwoller, M.H., M.E. Pasyanos, Y. Yang, A.L.
Levshin, and N.M. Shapiro,
Progress toward broad-band ambient noise tomography in Eurasia,
Proceedings of the 28th Seismic Research Review -- Ground-Based Nuclear Explosion Monitoring, Orlando, FL
(Sept 19 - 21), 2006.
(pdf)
Shapiro, N.M., M.H. Ritzwoller, and G.D. Bensen,
Source location of the 26 sec microseism from cross correlations of
ambient seismic noise, Geophys. Res. Lett., 33, L18310,
doi:10.1029/2006GL027010, 2006.
(pdf)
2005
Levin, V., N.M. Shapiro, J. Park, and M.H. Ritzwoller,
The slab portal beneath the Western Aleutians,
Geology, 33(4), 253-256, 2005.
(pdf)
Levshin, A.L., M.H. Ritzwoller, and N.M. Shapiro,
The use of crustal higher modes to constrain crustal structure across
Central Asia,
Geophys. J. Int., 160, 961-972, 2005.
(pdf)
Levshin, A.L., M.P. Barmin, M.H. Ritzwoller, and J. Trampert,
Minor-arc and major-arc global surface wave
diffraction tomography,
Phys. Earth Planet. Ints., 149, 205-223, 2005.
(pdf)
Ritzwoller, M.H., N.M. Shapiro, M.E. Pasyanos, G.D. Bensen,
and Y. Yang,
Short period surface wave dispersion measurements from
ambient seismic noise in North Africa, the Middle East, and
Central Asia,
Proceedings of the 27th Seismic Research Review -- Ground-Based Nuclear Explosion Monitoring, Palm Springs, CA
(Sept 20 - 22, 2005), 2005.
(pdf)
Shapiro, N.M. M.H. Ritzwoller, J.C. Mareschal, and C. Jaupart,
Lithospheric structure of the Canadian Shield inferred
from inversion of surface-wave dispersion with thermodynamic a priori constraints,
Geol. Soc. Lond. Spec. Publ., Geological Prior Information: Informing Science and Engineering, ed. R. Wood and A. Curtis, 239, 175-194, 186239-171-8/04/$15.00, The Geological Society of London,
2005.
(pdf)
van Hunen, J., S. Zhong, N.M. Shapiro, and M.H. Ritzwoller,
New evidence for dislocation creep from
3-D geodynamic modeling of the Pacific upper mantle,
Earth Planet Sci. Lett., doi:10.1016/j.epsl.2005.07.006, 10 pps., 2005.
(pdf)
Yang, X., A.R. Lowry, A.L. Levshin, and M.H. Ritzwoller,
Toward a Rayleigh wave attenuation model for Eurasia
and calibrating a new Ms formula,
Proceedings of the 27th Seismic Research Review -- Ground-Based Nuclear Explosion Monitoring, Palm Springs, CA
(Sept 20 - 22, 2005), 2005.
(pdf)
2004
Butler, R. T. Lay, K. Creager, P. Earl,
K. Fischer, J. Gaherty, G. Laske, B. Leith, J. Park,
M. Ritzwoller, J. Tromp, and L. Wen,
The global seismic network surpasses its
design goal,
Eos., 85(23), 8 June 2004.
(pdf)
Ritzwoller, M.H., N.M. Shapiro, S. Zhong,
Cooling history of the Pacific lithosphere,
Earth Planet. Sci. Letts., 226, 69-84, 2004.
(pdf)
Shapiro, N.M. and M.H. Ritzwoller,
Thermodynamic constraints on seismic inversions,
Geophys. J. Int., 157, 1175-1188, doi:10.1111/j.1365-246X.2004.02254.x, 2004.
(pdf, erratum)
Shapiro, N.M., M.H. Ritzwoller, P. Molnar, and V. Levin, Thinning
and flow of Tibetan crust constrained by seismic anisotropy,
Science, 305, 233-236, 9 July 2004. (pdf)
Shapiro, N.M. and M.H. Ritzwoller,
Inferring surface heat flux distributions guided by a global seismic model: Particular
application to Antarctica,
Earth Planet. Sci. Lett., 223, 213 - 224, 2004.
(pdf)
Smith, D.B., M.H. Ritzwoller, and N.M. Shapiro,
Stratification of anisotropy in the Pacific upper mantle,
J. Geophys. Res., 109, B11309, doi:10.1029/2004JB003200, 2004.
(pdf)
Yang, X., I. Bondar, J. Bhattacharyya, M. Ritzwoller,
N. Shapiro, M. Antolik, G. Ekstrom, H. Israelsson, and K. McLaughlin,
Validation of regional and teleseismic travel-time models by
relocation of GT events, Bull. Seis. Soc. Am.
94(3), 897-919, 2004. (pdf)
2003
Ritzwoller, M.H., N.M. Shapiro, and G.M. Leahy,
A resolved mantle anomaly as the
cause of the Australian-Antarctic Discordance,
J. Geophys. Res., 108, no. B12, 2559, doi:10.1029/2003JB002522, 2003.
(pdf)
Ritzwoller, M.H., N.M. Shapiro, A.L. Levshin, E.A. Bergman, and
E.R. Engdahl,
The ability of a global 3-D model to locate regional events,
J. Geophys. Res., 108, no. B7, 2353, ESE 9-1 - ESE 9-24, 2003.
(pdf)
2002
Engdahl, E.R., E.A. Bergman, M.H. Ritzwoller, N.M. Shapiro, and
A.L. Levshin,
A reference data set for validating 3-D models,
Proceedings
of the 24rd Seismic Research Review -- Nuclear Explosion Monitoring: Innovation and Integration,
261-270, 2002. (pdf)
Levin, V., N.M. Shapiro, J. Park, and M.H. Ritzwoller, Seismic
evidence for catastrophic slab loss beneath Kamchatka,
Nature, 418, 763-767, 15 Aug 2002.
(pdf, html) (Nature Magazine ``News and Views'' article by Huw Davies (pdf).)
Levshin, A., J. Stevens, M. Ritzwoller,
and D. Adams, Short-period (7s-15s) group velocity measurements
and maps in Central Asia,
Proceedings
of the 24rd Seismic Research Review -- Nuclear Explosion Monitoring: Innovation and Integration,
98-106, 2002. (pdf)
Levshin, A.L. and M.H. Ritzwoller, Application of a global-scale
3-D model to improve regional locations,
Stud. Geophys. Geod., 46, 283-292, 2002. (pdf)
McLaughlin, K. et al.,
Seismic location calibration in the Mediterranean, North Africa
Middle East, and Western Eurasia,
Proceedings
of the 24th Seismic Research Review -- Nuclear Explosion Monitoring: Innovation and Integration,
320-329, 2002. (pdf)
Ritzwoller, M.H. and A.L. Levshin, Estimating shallow shear
velocities with marine multi-component seismic data, Geophysics,
67 (6), 1991-2004, 2002. (pdf)
Ritzwoller, M.H., N.M. Shapiro, M.P. Barmin, and A.L. Levshin,
Global surface wave diffraction tomography,
J. Geophys. Res., 107(B12), 2335, 2002.
(pdf)
Ritzwoller, M.H., M.P. Barmin, A. Villasenor, A.L. Levshin,
and E.R. Engdahl, Pn and Sn tomography across Eurasia, Tectonophys.,
358 (1-4), 39-55, 2002. (pdf,
html)
Shapiro, N.M. and M.H. Ritzwoller, Monte-Carlo inversion
for a global shear velocity model of the crust and upper mantle, Geophys.
J. Int., 151, 88-105, 2002. (pdf)
Villasenor, A., M.P. Barmin, M.H. Ritzwoller, and A.L. Levshin,
Computation of regional travel times and station corrections for three-dimensional
velocity models, report. (pdf)
Weichman, P.B., Lun, D.R., M.H. Ritzwoller, and E.M. Lavely,
Study of surface nuclear magnetic resonance inverse problems,
J. Appl.
Geophys., 50, 129-147, 2002. (pdf)
2001
Barmin, M.P., M.H. Ritzwoller, and A.L. Levshin, A fast and
reliable method for surface wave tomography,
Pure Appl. Geophys., 158(8),
1351 - 1375, 2001. (pdf)
Bukchin, B.G., A.Z. Mostinsky, A.A. Egorkin, A.L. Levshin,
and M.H. Ritzwoller, Isotropic and nonisotropic components of earthquakes
and nuclear explosions on the Lop Nor test site, China,
Pure Appl. Geophys.,
158(8), 1497 - 1515, 2001. (pdf)
Engdahl, E.R. and M.H. Ritzwoller, Crust and upper mantle
P- and S-wave delay times at Eurasian seismic stations, Phys. Earth
Planet. Int., 123(2-4), 205-219, 2001. (pdf)
Levshin, A.L. and M.H. Ritzwoller, Automated detection, extraction,
and measurement of regional surface waves,
Pure Appl Geophys, 158(8),
1531 - 1545, 2001. (pdf)
Levshin, A.L., and M.H. Ritzwoller, Surface waves in seismology
and sesimic prospecting, Problems in dynamics of the lithosphere and seismicity,
Computational
Seismology, 32, Moscow, GEOS, 27-32, 2001. (in Russian) (pdf)
Levshin, A.L. and M.H. Ritzwoller,
Monitoring a Comprehensive
Nuclear Test Ban Treaty: Surface Waves, editors, 243 pps., Birkhauser,
Basel, Switzerland, 2001. Review by A. Plesinger.
Levshin, A.L., M.H. Ritzwoller, M.P. Barmin, A. Villasenor,
and C.A. Padgett, New constraints on the Arctic crust and uppermost mantle:
Surface wave group velocities, Pn, and Sn,
Phys. Earth Planet. Int.,
123(2-4), 185 - 204, 2001. (pdf)
Levshin, A.L., M.H. Ritzwoller, M.P. Barmin, and J. Stevens,
Short period group velocity measurements and maps in Central Asia,
Proceedings
of the 23rd Seismic Research Review: Worldwide Monitoring of Nuclear Explosions,
258-269, Oct 2-5, 2001. (pdf)
McLaughlin, K, et al., Seismic location calibration in the
Mediterranean, N. Africa, Middle East, and W. Eurasia,
Proceedings of
the 23rd Seismic Research Review: Worldwide Monitoring of Nuclear Explosions,
270-279, Oct 2-5, 2001. (pdf)
Ritzwoller, M.H. and A.L. Levshin, Monitoring the Comprehensive
Nuclear Test Ban Treaty -- Introduction, Pure Appl. Geophys., 158(8),
1341 - 1348, 2001. (pdf)
Ritzwoller, M.H. and N.M. Shapiro, Lithospheric inversions
and the assimilation of complementary information: Some examples relevant
for EarthScope, Proceedings of the EarthScope Workshop, 383-387,
Snowbird, Utah, Oct 10-12, 2001. (pdf)
Ritzwoller, M.H., N.M. Shapiro, A.L. Levshin, and G.M. Leahy,
The structure of the crust and upper mantle beneath Antarctica and the
surrounding oceans, J. Geophys. Res., 106(B12), 30645 - 30670, 2001.
(pdf). (Science Magazine ``Editor's Choice''
selection on 11 Jan.
2002.)
Shapiro, N.M., M.H. Ritzwoller, M. Barmin, P. Weichman, L.
Tenorio, W. Navidi, Capturing uncertainties in source-specific station
corrections derived from a 3-D model,
Proceedings of the 23rd Seismic
Research Review: Worldwide Monitoring of Nuclear Explosions, 395-403,
Oct 2-5, 2001. (pdf)
Villasenor, A., M.H. Ritzwoller, A.L. Levshin, M.P. Barmin,
E.R. Engdahl, W. Spakman, and J. Trampert, Shear velocity structure of
Central Eurasia from inversion of surface wave velocities,
Phys. Earth
Planet. Int., 123(2-4), 169 - 184, 2001. (pdf)
2000
Bondar, I. et al., Source specific station correction surfaces
(SSSCs) for international monitoring system (IMS) seismic stations in N.
Africa, N. East, and W. Asia,
Proceedings of the 22nd Seismic Research
Symposium for Monitoring a CTBT, New Orleans, LA, 10pp., 12 - 15 September,
2000. (pdf)
Levshin, A.L., M.H. Ritzwoller, B.G. Bukchin, A.Z. Mostinsky,
and A.A. Egorkin, Isotropic and nonisotropic components of earthquakes
and nuclear explosions on the Lop Nor test site,
Proceedings of the
22nd Seismic Research Symposium for Monitoring a CTBT, New Orleans,
LA, 10pp., 12 - 15 September, 2000. (pdf)
Levshin, A.L. and M.H. Ritzwoller, Use of the Kyrgyz seismic
network to assess the performance of the international monitoring system
in and around Kyrgyzia, Report to DTRA and ACDA, 25 pp., 2000. (pdf)
Ritzwoller, M.H. and A.L. Levshin, Estimating shallow shear
velocities with marine multi-component seismic data,
Proceedings of
Seismic Inverse Methods for Complex Structures, 125 - 142, Center for
Wave Phenomena, Vail, CO, 9 - 13 May, 2000. (pdf)
Ritzwoller, M.H., M.P. Barmin, A.L. Levshin, A. Villasenor,
and E.R. Engdahl, Estimates of Pn and Sn across Eurasia, Proceedings
of the 22nd Seismic Research Symposium for Monitoring a CTBT, New Orleans,
LA, 10pp., 12 - 15 September, 2000. (pdf)
Villasenor, A., M.H. Ritzwoller, M.P. Barmin, E.R. Engdahl,
and A.L. Levshin, Computation of travel times and station correction surfaces
in Eurasia using 3-D velocity models, Proceedings of the 22nd Seismic
Research Symposium for Monitoring a CTBT, New Orleans, LA, 10 pp.,
12 - 15 September, 2000. (pdf)
Weichman, P.B., E.M. Lavely, and M.H. Ritzwoller, Theory
of surface nuclear magnetic resonance with applications to geophysical
imaging problems, Phys. Rev. E., 62, 1290-1312, 2000. (pdf)
1999
James, M.B. and M.H. Ritzwoller, Feasibility of truncated
perturbation expansions to approximate Rayleigh wave eigenfrequencies and
eigenfunctions in heterogeneous media, Bull. Seism. Soc. Am., 89,
433-442, 1999. (pdf)
Levshin, A.L., M.H. Ritzwoller, and J.S. Resovsky, Source
effects on surface wave group travel times and group velocity maps, Phys.
Earth Planet. Int., 115, 293 - 312, 1999. (pdf)
Levshin, A.L., M.P. Barmin, and M.H. Ritzwoller, Evaluation
of uncertainties and bias in surface wave tomographic maps and travel time
correction surfaces, 21st Seismic Research Symposium, 1999. (pdf)
Resovsky, J.S. and M.H. Ritzwoller, A degree 8 mantle shear
velocity model from normal mode observations below 3 mHz, J. Geophys.
Res., 104, 993-1014, 1999. (pdf)
(Nature Magazine ``News and Views'' article by R. Widmer is here.)
Resovsky, J.S. and M.H. Ritzwoller, Regularization uncertainty
in density models estimated from normal mode data,
Geophys. Res. Lett.,
26, 2319-2322, 1999. (pdf)
Ritzwolller, M.H., A. Villasenor, A., A.L. Levshin, E.R.,
Engdahl, M.P. Barmin, W. Spakman, and J. Trampert, Construction of a 3-D
P and S model of the crust and upper mantle to improve regional locations
in W. China, Central Asia, and parts of the Middle East, 21st Seismic
Research Symposium, 1999. (pdf)
Vdovin, O.Y., A.L. Levshin, J.A. Rial, and M.H. Ritzwoller,
Group velocity tomography of South America and the surrounding oceans,
Geophys.
J. Int., 136, 324-340, 1999. (pdf)
Weichman, P.B., E.M. Lavely, and M.H. Ritzwoller, Surface
nuclear magnetic resonance imaging of large systems, Phys. Rev. Lett.,
82, 4102-4105, 1999. (pdf)
Levshin, A.L., M.H. Ritzwoller, M.P. Barmin, L.I. Ratnikova,
and C.A. Padgett, Automated surface wave analysis using phase-matched filters
from dispersion maps,
20th Annual Seismic Research Symposium on Monitoring
a CTBT, Proceedings, September 21-23, 1998. (pdf)
Resovsky, J.S. and M.H. Ritzwoller, New and refined constraints
on 3-D earth structure from normal modes below 3mHz, J. Geophys. Res.,
103, 783 - 810, 1998. (pdf)
Ritzwoller, M.H. and A.L. Levshin, Eurasian surface wave
tomography: Group velocities, J. Geophys. Res., 103, 4839 - 4878
1998. (pdf)
Ritzwoller, M.H., A.L. Levshin, L.I. Ratnikova, and A.A.
Egorkin, Intermediate period group velocity maps across Central Asia, Western
China, and parts of the Middle East, Geophys. J. Int., 134, 315-328,
1998. (pdf)
Walter, W. and M.H. Ritzwoller, Workshop Report on the U.S.
Use of Surface Waves for Monitoring the Comprehensive Test Ban Treaty,
Results and recommendations from the Boulder Surface Wave Workshop, March
19 and 20, 1998. (pdf)
1997
Levshin, A.L., M.H. Ritzwoller, L.I. Ratnikova, M. Silitch,
R. Kelly, and B. O'Sullivan, Intermediate period group velocity maps across
Central Asia and parts of the Middle East, Proceedings of the 19th Seismic
Research Symposium on Monitoring a CTBT, 67 - 76, 1997. (pdf)
Levshin, A.L., M.H. Ritzwoller, L.I. Ratnikova, and A.A.
Egorkin, Jr., Surface wave tomographic study of the Central Asia tectonic
regimes,
Upper Mantle Heterogeneities from Active and Passive Seismology,
NATO ASI Series Volume, ed. K. Fuchs, Kluwer Publ., 257-268, 1997. (pdf)
Rial, J.A. and M.H. Ritzwoller, Characteristics of Lg propagation
across South America, Geophys. Jour. Int., 131, 401-408, 1997. (pdf)
1996
Levshin, A.L., M.H. Ritzwoller, and S.S. Smith, Group velocity
variations across Eurasia, Proceedings of the 18th Seismic Research
Symposium on Monitoring a CTBT, 70 - 79, 1996. (pdf)
Ritzwoller, M.H., A.L. Levshin, L.I. Ratnikova, and D.M.
Tremblay, High resolution group velocity variations across Central Asia,
Proceedings
of the 18th Seismic Research Symposium on Monitoring a CTBT, 98 - 107,
1996. (pdf)
1995
Levshin, A.L. and M.H. Ritzwoller, Surface wave group velocity
measurements across Eurasia, Proceedings of the 17th Seismic Research
Symposium on Monitoring a CTBT, 226-236, 1995. (pdf)
Levshin, A.L. and M. H. Ritzwoller, Characteristics of surface
waves generated by events on and near the Chinese nuclear test site, Geophys.
J. Int., 123, 131-149, 1995. (pdf)
Resovsky, J.S. and M.H. Ritzwoller, Constraining odd-degree
mantle structure with normal modes, Geophys. Res. Letts., 22, 2301-2304,
1995. (pdf)
Ritzwoller, M.H., Deja Q: Anelasticity of the Earth's Deep
Interior,
Deep Earth Dialog, 9, 14-16, 1995. (pdf)
Ritzwoller, M.H. and E.M. Lavely, Three-dimensional seismic
models of the Earth's mantle, Revs. of Geophys., 33, 1-66, 1995.
(pdf )
Ritzwoller, M.H. and J. Resovsky, The feasibility of normal
mode constraints on higher degree structures, Geophys. Res. Letts.,
22, 2305-2308, 1995. (pdf)
Ritzwoller, M.H., A.L. Levshin, S.S. Smith, and C.S. Lee,
Making accurate continental broadband surface wave measurements, Proceedings
of the 17th Seismic Research Symposium on Monitoring a CTBT, 482-490,
1995. (pdf)
1994
Lavely, E.M., A. Rodgers, and M.H. Ritzwoller, Can the differential
sensitivity of body wave, mantle wave, and normal mode data resolve the
trade-off between transition zone structure and boundary topography?, Physics
Earth Planet. Ints., 86, 117-146, 1994. (pdf)
Levshin, A. L., M. H. Ritzwoller, and L. I. Ratnikova, The
nature and cause of polarization anomalies of surface waves crossing northern
and central Eurasia, Geophys. J. Internatl., 117, 577 - 590, 1994.
(pdf)
Resovsky, J. S. and M. H. Ritzwoller, Characterizing the
long-period seismic effects of long-wavelength elastic and anelastic models,
Geophys.
J. Internatl., 117, 365 - 393, 1994. (pdf)
1993
Durek, J., Ritzwoller, M.H., and Woodhouse, J.H., Constraining
upper mantle anelasticity using surface wave amplitude anomalies, Geophys.
J. Int., 114, 249-272, 1993. (pdf)
Kelly, J.F., and Ritzwoller, M.H., 1993. Helioseismic line-shape
estimation given stochastic excitation, Ap. J., 418, 476 - 489,
1993. (pdf)
Lavely, E. M. and M. H. Ritzwoller, Average effects of large-scale
convection on helioseismic line widths and frequencies, Ap. J.,
403, 810-832, 1993. (pdf)
Ritzwoller, M. H. and D. Harvey, IRIS's Joint Seismic Program
Center (JSPC) opens, IRIS Newsletter, XI, 3, 5-8, 1992. (pdf)
Ritzwoller, M. H. and J. Kelly, Detecting giant cell convection
with helioseismic linewidths, GONG 1992: Seismic Investigation of the
Sun and Stars, (T. Brown ed.), Astophys. Soc. Pac. Conf. Series,
42, 261 - 264, 1993. (pdf)
1992
Lavely, E. M. and M. H. Ritzwoller, The effect of global-scale,
steady-state convection and elastic-gravitational asphericities on helioseismic
oscillations,
Phil. Trans. R. Soc. Lond. A, 339, 431-496, 1992.
(pdf)
1991
Ritzwoller, M. H. and E. M. Lavely, A unified approach to
the helioseismic forward and inverse problems of differential rotation,
Ap.
J., 369, 557-566, 1991. (pdf)
1988
Ritzwoller, M. H., G. Masters and F. Gilbert, Constraining
aspherical structure with low harmonic degree interaction coefficients:
Application to uncoupled multiplets, J. Geophys. Res., 93, 6269-6396,
1988. (pdf)
1987
Masters, G. and M. H. Ritzwoller, Low frequency seismology
and three dimensional structure: Observational aspects, in Mathematical
Geophysics, A survey of recent developments in seismology and geodynamics,
edited by N. J. Vlaar, G. Nolet, M. J. R. Wortel, and S. A. P. L. Cloetingh,
Reidel Publ., Cordrecht, the Netherlands, 1987. (pdf)
1986
Ritzwoller, M. H., G. Masters and F. Gilbert, Observations
of anomalous splitting and their interpretation in terms of aspherical
structure, J. Geophys. Res., 91, 10203-10228, 1986. (pdf)
1983
Ritzwoller, M. H. and C. R. Bentley, Magnetic anomalies over
Antarctica measured from Magsat, in: Antarctic Earth Science
(R. L. Oliver, P. R. James and J. B. Jago, eds.), Proc. IVth Int. Sympos.
Antarctic Earth Sciences, Australian Acad. Sci., pp. 504-507, 1983. (pdf)
1982
Ritzwoller, M. H. and C. R. Bentley, Magsat magnetic anomalies
over Antarctica and the surrounding oceans, Geophys. Res. Lett.
9, 285-288, 1982. (pdf)