PUBLICATIONS

Tolstoy, M., A.J. Harding and J.A. Orcutt, Crustal Thickness on the Mid-Atlantic Ridge - Bull's Eye Gravity Anomalies and Focused Accretion, Science, 262:726-729, 29 Oct. 1993.

Tolstoy, M., A Comparison of Slow and Fast Spreading Ridge Axis Structure from Seismic Data, PhD Thesis, Scripps Institution of Oceanography, UCSD, Oct. 1994.

Tolstoy, M., A.J. Harding and J.A. Orcutt, Deepening of the Axial Magma Chamber toward the Garret Fracture Zone from multichannel data, Journal of Geophysical Research, 102:3097-3108, 1997. (PDF)

Tolstoy, M., S. Constable, J.A. Orcutt, H. Staudigel, and F.K. Wyatt, Short and Long Baseline Tiltmeter Measurements on Axial Seamount, Juan De Fuca Ridge, Physics of the Earth and Planetary Interiors, 108:131-143, 1998. (PDF)

Michael, P.J., D.W. Forsyth, D.K. Blackman, P.J. Fox, B.B. Hanan, A.J. Harding, K.C. MacDonald, G.A. Neumann, J.A. Orcutt, M. Tolstoy, C.M. Weiland, Mantle Control of a Dynamically Evolving Spreading Center, Earth and Planetary Science Letters, 121:451-468, 1994.

Bazin, S., H. van Avendonk, A.J. Harding, J.A. Orcutt, J.P. Canales, R.S. Detrick, L.M. Dorman, D.W. Forsyth, J. Phipps-Morgan, D.S. Scheirer, M. Tolstoy, and S.C. Webb, Crustal structure of the flanks of the East Pacific Rise: Implications for overlapping spreading centers, Geophysical Research Letters, 25:2213-2216, 1998.

Edwards, M.H., G.J. Kurras, M. Tolstoy, D.R. Bohnenstiehl, B.J. Coakley, and J.R Cochran, Evidence of recent volcanic activity on the ultra-slow spreading Gakkel Ridge, Nature, 409:808-812, 2001. (PDF)

Tolstoy, M., D. Bohnenstiehl, M. Edwards, and G.Kurras, The seismic character of volcanic activity at the ultra-slow spreading Gakkel Ridge, 29:1139-1142,Geology, 2001. (PDF)

West, M.E., W. Menke,, and M. Tolstoy, S.C. Webb, and R. Sohn, Magma storage beneath Axial volcano on the Juan de Fuca mid-ocean ridge 413:833-836, Nature, 2001. (PDF)

Smith, D.K., M. Tolstoy, C.G. Fox, D.R. Bohnenstiehl, H. Matsumoto, M. J. Fowler, Hydroacoustic Monitoring of Seismicity at the Slow Spreading Mid-Atlantic Ridge, 10.1029/2001GL013912, Geophysical Research Letters, 2002.

Bohnenstiehl, D.R., M. Tolstoy, D.K. Smith, C.G. Fox, and R. Dziak, The decay rate of aftershock sequences in the mid-ocean ridge environment: An analysis using hydroacoustic data, 354:49-70, Tectonophysics, 2002.

Tolstoy, M., Vernon, F.L., Orcutt, J.A. and F.K. Wyatt, The breathing of the seafloor: Tidal correlations of seismicity on Axial volcano, 30:503-506, Geology, 2002. (PDF)

Menke, W., M. West, M. Tolstoy, Shallow crustal magma chamber beneath the axial high of the Coaxial Segment of Juan de Fuca Ridge at the "Source Site" of the 1993 eruption, 30:359-362, Geology, 2002.

Floyd, J.S., M. Tolstoy, J.C. Mutter, Seismotectonics of mid-ocean ridge propagation in Hess Deep, 298:1765-1768, Science, 2002.

Bohnenstiehl, D.R., and M. Tolstoy, Comparison of teleseismically and hydroacoustically derived earthquake locations along the north-central Mid-Atlantic Ridge and Equatorial East Pacific Rise, Seismol. Res. Lett., 74: 790-801, 2003.

West, M., W. Menke, and M. Tolstoy, Focused magma supply at the intersection of the Cobb hotspot and Juan de Fuca ridge, Geophys. Res. Lett., 30:1724 10.1029/2003GL017104, 2003.

Bohnenstiehl, D.R., M. Tolstoy, D.K. Smith, C.G. Fox, and R. Dziak, Time-clustering behavior of spreading-center seismicity between 15-35 N on the Mid-Atlantic Ridge: Observations from hydroacoustic monitoring, Physics of the Earth and Planetary Interiors, 138, 147-161, 2003.

Smith, D.K., M. Cannat, J. Escartin, M. Tolstoy, C.G. Fox, D.R. Bohnenstiehl, S. Bazin, Spatial and temporal distribution of seismicity along the northern Mid-Atlantic Ridge (15-35N), Journal of Geophysical Research, 108(B3), 2167, 10.1029/2002JB001964, 2003.

Bohnenstiehl, D.R., M. Tolstoy, E. Chapp, Breaking into the plate: A 7.6 Mw fracture-zone earthquake adjacent to the Central Indian Ridge, Geophys. Res. Lett., 31, L02615, 2004.

Smith, D.K., R.P. Dziak, H. Matsumoto, C.G. Fox, and M. Tolstoy, Data now available from hydrophone array monitoring seismic activity at the northern Mid-Atlantic Ridge, 85:1-5, EOS Trans. AGU, 2004.

Dziak, R.P., D.R. Bohnenstiehl, H. Matsumoto, C.G. Fox, D.K. Smith, M. Tolstoy, T-K Lau, J.H. Haxel, and M.J. Fowler, P- and T-wave Detection Thresholds, Pn Velocity Estimate, and Detection of Lower Mantle and Core P-waves on Ocean Sound-Channel Hydrophones at the Mid-Atlantic Ridge, Bull. Seis. Soc. Am., 95:665-677, 2004.

Stafford, K.M., D.R. Bohnenstiehl, M. Tolstoy, E. Chapp, D.K. Mellinger, S.E. Moore, Antarctic-type blue whale calls recorded at low latitudes in the Indian and the eastern tropical Pacific Oceans, Deep-Sea Research Part I, 51/10:1337-1346, 2004.

Tolstoy, M., J.B. Diebold, S.C. Webb,D.R. Bohnenstiehl, E. Chapp, R.C. Holmes, and M. Rawson, Broadband Calibration of R/V Ewing Seismic Sources, Geophys. Res. Lett., 31, doi:10.1029/2004GL020234, 2004.

Bohnenstiehl,D.R., R.P. Dziak, M. Tolstoy, C. Fox, and M. Fowler, Temporal and Spatial History of the 1999-2000 Endeavour Segment Seismic Series, Juan de Fuca Ridge, Geochem., Geophys. and Geosyst.,., doi:10.1029/2004GC000735, 2004.

Dziak, R.P., D. Smith, D. Bohnenstiehl, C. Fox, D. Desbruyeres, H. Matsumoto, M. Tolstoy, D. Fornari, Evidence of a recent magma dike intrusion at the slow-spreading Lucky Strike segment, Mid-Atlantic Ridge, Journal of Geophysical Research, Vol. 109, B12102, doi:10.1029/2004JB003141, 2004.

Chapp, E., D.R. Bohnenstiehl, and M. Tolstoy, Sound-Channel Observations of Ice-Generated Tremor in the Indian Ocean, 6:Q06003, doi:10.1029/2004GC000889, Geochem., Geophys. and Geosyst., 2005.

Tolstoy, M. and D.R. Bohnenstiehl. Hydroacoustic Constraints on the Rupture Duration, Length and Speed of the Great Sumatra-Andaman Earthquake, Seis. Res. Lett., 76:419-425, 2005.(PDF)

Tolstoy, M. and D.R. Bohnenstiehl. Hydroacoustic Contributions to understanding the December 26th 2004 Great Sumatra-Andaman Earthquake, Surveys in Geophysics, doi: 10.1007/s10712-006-9003-6, 2006.(PDF)

Tolstoy, M., J.P. Cowen, E.T. Baker, D.J. Fornari, K.H. Rubin, T.M. Shank, F. Waldhauser, D.R. Bohnenstiehl, D.W. Forsyth, R.C. Holmes, B. Love, M.R. Perfit, R.T. Weekly, S.A. Soule, and B. Glazer, A Seafloor Spreading Event Captured by Seismometers, Science, DOI: 10.1126/science.1133950, 2006.(PDF)

Cowen, J.P., D. J. Fornari, T. M. Shank, B. Love, B. Glazer, A. H. Treusch, R. C. Holmes, S.A. Soule, E. T. Baker, M. Tolstoy and K. R. Pomraning, Volcanic Eruptions at East Pacific Rise Near 9deg50'N, EOS Trans. AGU, 88:81-83, 2007.

D. Stroup, D.R. Bohnenstiehl, M. Tolstoy, F. Waldhauser, R.T. Weekly, The Pulse of the Seafloor: Tidal triggering of microearthquakes at 9deg50'N East Pacific Rise, Geophys. Res. Lett., 34:L15301, doi:10.1029/2007GL030088, 2007.

M. Tolstoy, Seismological constraints on magmatic and hydrothermal processes at ridges, AGU Geophysical Monograph Series: Modeling Hydrothermal Processes at Mid-Ocean Ridges, eds. R.P. Lowell, M. Perfit, J. Seewald, A. Metaxas, 178, GM1784436, 2008.

M. Tolstoy, F. Waldhauser, D.R. Bohnenstiehl, R.T. Weekly, W.-Y. Kim, Seismic identification of along-axis hydrothermal flow on the East Pacific Rise, Nature, doi:10.1038/nature06424, 2008.

Lutz, R.A., T.M. Shank, G.W. Luther III, C. Vetriani, M. Tolstoy, D.B. Nuzzio, T.S. Moore, F. Waldhauser, M. Crespo-Medina, A. Chatziefthimou, E.R. Anis, A.J. Reed, Interrelationships between vent fluid chemistry, temperature, seismic activity and biological community structure at a mussel-dominated, deep-sea hydrothermal vent along the East Pacific Rise, Journal of Shellfish Research, 27, 177-190, 2008.

Holmes, R.C., M. Tolstoy, J.R. Cochran, J.S. Floyd, Crustal Thickness Variations Along the Southeast Indian Ridge (100-116degE, 47-51degS) From 2-D Body Wave Tomography, in revision, Geochem., Geophys. and Geosyst., 2008.

Bohnenstiehl, D.R., F. Waldhauser, M. Tolstoy, Frequency-magnitude distribution of microearthquakes beneath the 9deg50' N region of the East Pacific Rise, October 2003 through April 2004, in press, Geochem., Geophys. and Geosyst., 2008

SELECTED ABSTRACTS:

Tolstoy, M., Bohnenstiehl, D. R., Constraining the Rupture Length, Duration and Speed of the Great Sumatra-Andaman Earthquake Using Hydroacoustic Data, U22A-05, EOS Trans. AGU, 2005.

Steckler, M S, Amato, A, Guerra, I, Armbruster, J, Baccheschi, P, DiLuccio, F, Gervasi, A, Harabaglia, P, Kim, W, Lerner-Lam, A, Margheriti, L, Seeber, L, Tolstoy, M, Wilson, C K, Results from CAT/SCAN, the Calabria-Apennine-Tyrrhenian/Subduction-Accretion-Collision Network, T33C-0578, EOS Trans. AGU, 2005.

Holmes, R, Tolstoy, M, Cochran, J R, Floyd, J S, Crustal Structure Along the Southeast Indian Ridge From Seismic Refraction Data, T33A-0513, EOS Trans. AGU, 2005.

Weekly, R T, Tolstoy, M, Waldhauser, F, Bohnenstiehl, D R, Kim, W, Increasing seismic activity at 9deg50'N on the East Pacific Rise RIDGE 2000 Integrated Studies Site from October 2003 through April 2004, T31A-0495, EOS Trans. AGU, 2005.

Tolstoy, M., Who cares about Mid-Ocean Ridge Earthquakes? And Why?, ED51A-0010, EOS Trans. AGU, 2004.

Tolstoy, M., Waldhauser, F., Kim, W, Earthquake Monitoring at 9°50'N on the East Pacific Rise RIDGE 2000 Integrated Studies Site, B13A-0165, EOS Trans. AGU, 2004.

Chapp, E., Bohnenstiehl, D., Tolstoy, M., Hydroacoustic Observations of Antarctic-Derived Ice-Generated Tremor in the Indian Ocean, C31B-0316, EOS Trans. AGU, 2004.

Bohnenstiehl, D R, Tolstoy, M, Thode, A, Diebold, J B, Webb, S C, Assessing Acoustic Sound Levels Associated with Active Source Seismic Surveys in Shallow Marine Environments, T33B-1385, EOS Trans. AGU, 2004.

Tolstoy, M., Carbotte, S., Haymon, R., Holland, M., Mullineaux, L., Von Damm, K., The East Pacific Rise 8°-11°N Integrated Studies Site (ISS); Update and Opportunities, B13A-0164 INVITED , EOS Trans. AGU, 2004.

Steckler, M S, Amato, A, Guerra, I, Di Luccio, F, Lerner-Lam, A, Persaud, P, Seeber, L, Armbruster, J, Tolstoy, M, Cimini, G B, Piromallo, C, Di Maro, R, D'Anna, G, Gervasi, A, De Rose, C, CAT/SCAN, the Calabria-Apennine-Tyrrhenian/Subduction -Accretion-Collision Network, T51E-01 INVITED, EOS Trans. AGU, 2004.

Tolstoy, M, Waldhauser, F, Seismic Monitoring of the East Pacific Rise Ridge 2000 Integrated Studies Site, B12A-0742, EOS Trans. AGU, 2003.

Diebold, J, Webb, S, Tolstoy, M, Rawson, M, Holmes, C, Bohnenstiehl, D, Chapp, E, R/V EWING seismic source array calibrations: 2003, OS41A-03, EOS Trans. AGU, 2003.

Bohnenstiehl, D R, Tolstoy, M, Chapp, E, Breaking into the Plate: Seismic and Hydroacoustic Analysis of a 7.6 Mw Oceanic Fracture Zone Earthquake Adjacent to the Central Indian Ridge Plate Boundary, T52F-03, EOS Trans. AGU, 2003.

Tolstoy, M, Cochran, J R, Carbotte, S M, Floyd, J S, Crustal Thickness on the South East Indian Ridge from OBH data, T12B-1314, EOS Trans. AGU, 2002.

Cochran, J R, Tolstoy, M, Carbotte, S M, Baran, J M, Floyd, J S, Rubio, E, Medvedev, B, Effect of Changes in Mantle Temperature on Melt Supply and Crustal Accretion Along the Southeast Indian Ridge, T72C-09, EOS Trans. AGU, 2002.

Bohnenstiehl, D R, Tolstoy, M, Smith, D K, Fox, C G, Dziak, R P, Time-Clustering Behavior of Spreading-Center Seismicity Between 15-35 N on the Mid-Atlantic Ridge: Observations from Hydroacoustic Monitoring, NG62B-0957, EOS Trans. AGU, 2002.

Dziak, R, Haxel, J, Matsumoto, H, Fowler, M, Fox, C, Smith, D, Bohnenstiehl, D, Tolstoy, M, Detection of Mantle and Core P- Arrivals, and Analysis of T-waves, Recorded on Ocean Sound-Channel Hydrophones Along the Mid-Atlantic Ridge (10°-35°N), S71A-1051, EOS Trans. AGU, 2002.

Smith, D K, Tolstoy, M, Fox, C C, Bohnenstiehl, D R, Cannat, M, Escartin, J, Bazin, S, Spatial and Temporal Distribution of Seismicity Along the Northern Mid-Atlantic Ridge, 15-35N, from an Autonomous Hydrophone Array, S21A-0555, EOS Trans. AGU, 2001.

Tolstoy, M, Vernon, F L, Orcutt, J A, Wyatt, F K, Tidal Correlations of Seismicity at Axial Volcano, S22C-04 INVITED, EOS Trans. AGU, 2001.

Sohn, R A, West, M, Menke, W, Chadwick, J, Perfit, M, Barclay, A, Webb, S, Tolstoy, M, The Cobb/Juan de Fuca Hotspot-Ridge Interaction; Weak Plumes and Return Flow, T31D-04, EOS Trans. AGU, 2001.

West, M E, Menke, W, Tolstoy, M, Focused Melt Supply at the Cobb Hot Spot / Juan de Fuca Ridge Intersection, T31D-01, EOS Trans. AGU, 2001.

Bohnenstiehl, D R, Tolstoy, M, Dziak, R P, Fox, C G, Smith, D K, The June 1999 Endeavour Earthquake Sequence: Evidence for a Non-Tectonic Origin, S22C-06, EOS Trans. AGU, 2001.

Tolstoy, M., D.R. Bohnenstiehl, M.H. Edwards, and G.J. Kurras, Eruption Processes at the Ultra-Slow Spreading Gakkel Ridge, EOS Trans. AGU, F1346, 2000 .

Bohnenstiehl, D.R., M. Tolstoy, D. Smith, and C.G. Fox, Earthquake Sequences Detected Using Autonomous Underwater Hydrophone Data From the Northern Mid-Atlantic Ridge: February 1999 - February 2000, EOS Trans. AGU, F1077, 2000.

Smith, D., M. Tolstoy, and C. Fox, Long Term Monitoring of Seismicity at the Mid-Atlantic Ridge using Autonomous Underwater Hydrophones, EOS Trans. AGU, F1076, 2000.

West, M.E., W. Menke, M. Tolstoy, The Magmatic Structure of Axial Volcano, EOS Trans. AGU, F1346, 2000.

Fornari, D., M. Perfit, M. Tolstoy, and AHA-Nemo2 Scientific Party, Investigation of Autonomous Hydrophone Array Event Sites on the East Pacific Rise Crest Near 320 N and 145 N and on the Galapagos Rift at 97.5 W, EOS Trans. AGU, F1076, 2000.

Perfit, M., D. Fornari, M. Tolstoy, E. Todd, and AHA-Nemo2 Scientific Party, Petrology and Geochemistry of MORB from the Equatorial East Pacific Rise and the Galapagos Rift at 97.5 W, EOS Trans. AGU, F1076, 2000.

Scheirer, D., D. Fornari, M. Perfit, M. Tolstoy, and AHA-Nemo2 Scientific Party, Diverse Seafloor Morphology at Spreading Centers in the Equatorial Pacific, EOS Trans. AGU, F1075, 2000.

Shank, T.M., D.J. Fornari, B. Wigham, D. Scheirer, J. Getsiv, M. Perfit, M. Tolstoy, Biology of Newly-Discovered "AHA" Hydrothermal Vent Fields Near 144 N on the East Pacific Rise Axis, EOS Trans. AGU, F1076, 2000.

Tolstoy, M., D.J. Fornari, C.G. Fox, Detailed Investigation of T-phase Swarms on the East Pacific Rise, EOS Trans. AGU, 1999.

Tolstoy, M., F. Vernon, and J.A. Orcutt, Magmatic Activity on Axial Seamount: A Combined Ocean Bottom Seismic and Tilt Experiment, EOS Trans. AGU, 1997.

Tolstoy, M., A.J. Harding, J.A. Orcutt, and J. Phipps-Morgan, Crustal Thickness at the Australian-Antarctic Discordance Zone and neighboring South East Indian Ridge, EOS Trans. AGU 76:570, 1995.

Tolstoy, M., A.J. Harding and J.A. Orcutt, Deepening of the Axial Magma Chamber on the Southern East Pacific Rise Toward the Garret Fracture Zone, IUGG 1995.

Constable, S., Orcutt, J., Staudigal, H., Tolstoy, M., Wyatt, F. Tiltmeters for Submarine Volcano Observatories, IUGG 1995.

Vernon, F.L., Orcutt, J.A., Tolstoy, M., Stephen, R. and Peal, K. An Ocean Bottom Broadband Borehole Seismometer Package for Global Seismic Network Observations, IUGG 1995.

Anderson, G., S. Constable, J. Orcutt, H. Staudigal, M. Tolstoy, F.K. Wyatt, Observing Seafloor Tilt on Axial Segment, Juan de Fuca Ridge, EOS Trans. AGU 76:412, 1995.

D.K. Blackman, J.A. Orcutt and M. Tolstoy, Seismoacoustic Studies of the Norwegian Sea, 17th Seismic Research Symposium on Monitoring a CTBT, Scotsdale, Arizona, Sept. 1995.
 
Tolstoy, M., A.J. Harding and J.A. Orcutt, Evolution of Crustal Structure at 34° S on the Mid-Atlantic Ridge, EOS Trans, AGU  74:646, 1993.

Tolstoy, M., A.J. Harding and J.A. Orcutt, An Explanation for 'Bull's Eye' Mantle Bouguer Anomalies on the Southern Mid-Atlantic Ridge, EOS Trans, AGU  73:495, 1992.

Tolstoy, M., A.J. Harding and J.A. Orcutt,  Crustal Thickness Models for Two Segments of the Southern Mid-Atlantic Ridge, Trans. EGS, SE14, 1992.

Tolstoy, M., A.J. Harding and J.A. Orcutt,  Crustal Thicknesses Along the Ridge Axis of the Southern Mid-Atlantic Ridge,  EOS Trans, AGU, 72:467, 1991.

Tolstoy, M., J.A. Orcutt, M.A.H. Hedlin, G.M. Kent and A.E. Newell, A Refraction Study of the Southern Mid-Atlantic using Ocean Bottom Seismometers, EOS Trans, AGU, 71:1572, 1990.

Orcutt, J.A., W.E. Farrell, M. Riedesel, G.M. Kent and M. Tolstoy, Ocean Bottom Seismometer measurements in the 1989 LFASE Experiment, EOS Trans., AGU, 70:1217, 1989.