Cruise Reports

MGL1902 - Seismic Study of the Emperor Seamounts at Jimmu (link)

MGL1806 - Seismic Study of the Hawaiian Ridge (link)

KM1810 - Ka'ena and Wai'alu Ridge Geophysical Studies, aboard the R/V Kilo Moana

KM1710   - Maui Nui Geophysical Studies: Pa‘uwela Ridge, aboard the R/V Kilo Moana

FK140418 - Maui Nui Geophysical Studies, aboard the R/V Falkor

MGL1305 - MARINER Geophysical Studies of the Mid-Atlantic Ridge 36˚N, aboard the R/V Marcus Langseth

MGL0903 - L-SCAN Geophysical Studies of the Lau back arc spreading centers, aboard the R/V Marcus Langseth

Publications

Dunn, RA (2022) A dual-level magmatic system beneath the East Pacific Rise, 9°N. Geophysical Research Letters, 49, e2022GL097732. https://doi. org/10.1029/2022GL097732. (soest no. 11606)

Xu, C, Dunn, R.A, Watts, AB, Shillington, DJ, Grevemeyer, I, Gómez de la Peña, L, & Boston, BB  (2022) A seismic tomography, gravity, and flexure study of the crust and upper mantle structure of the Emperor Seamounts at Jimmu guyot. Journal of Geophysical Research: Solid Earth, e2021JB023241. https://doi.org/10.1029/2021JB023241. (soest no. 11521)

Watts, AB, I Grevemeyer, DJ Shillington, RA Dunn, B Boston, & L Gómez de la Peña (2021) Seismic structure, gravity anomalies and flexure along the Emperor Seamount chain. J. Geophys. Res. - Solid Earth, 126, 2021. (soest no. 11212)

Watts, A. B., B. Tozer , H. Harper , B. Boston , D. J. Shillington , R. Dunn, (2020). Evaluation of shipboard and satellite-derived bathymetry and gravity data over seamounts in the northwest Pacific Ocean, J. Geophys. Res. - Solid Earth, 125(10) (soest no. 11117)

Lata, C. and R. A. Dunn (2020).  Uppermost crustal structure across the eastern Lau spreading center from P‐to‐S converted waves, Marine Geophysical Research, 41:20, doi:/10.1007/s11001-020-09419-5 (soest no. 11107)

Horning, G, R Sohn, JP Canales and RA Dunn, (2018). Local Seismicity of the Rainbow massif on the Mid-Atlantic Ridge. J. Geophys. Res., doi: 10.1002/2017JB015288. (soest no. 10309)

Sohn, R, JP Canales and RA Dunn, (2018). Hypocenter Catalog Data from the Mid-Atlantic Ridge - Rainbow Vent Field acquired in 2013. Integrated Earth Data Applications (IEDA). doi: http://dx.doi.org/10.1594/IEDA/324328.

Dunn, RA, R Arai, DE Eason, JP Canales, RA Sohn, Three-dimensional seismic structure of the Mid-Atlantic Ridge: an investigation of tectonic, magmatic, and hydrothermal processes in the Rainbow area, J. Geophys. Res., doi: 10.1002/2017JB015051, 2017. (soest no. 10284)

Canales, JP, RA Dunn, R Arai, RA Sohn, Seismic imaging of magma sills beneath an ultramafic-hosted hydrothermal system, Geology, doi:10.1130/G38795.1, 2017. (soest no. 9904)

Eason, DE, RA Dunn, JP Canales, RA Sohn, Segment-scale variations in seafloor volcanic and tectonic processes from multibeam sonar imaging, Mid-Atlantic Ridge Rainbow region (35˚45’-36˚35’N), Geochem., Geophys., Geosys., 17, doi:10.1002/2016GC006433, 2016. (soest no. 9693)

Dunn, RA, DE Eason, JP Canales, RA Sohn, Seafloor reflectivity of the Mid-Atlantic Ridge Rainbow region (35°45' - 36°35'N) (2016). Integrated Earth Data Applications (IEDA). doi:10.1594/IEDA/323563, 2016.

Dunn, RA, Ocean acoustic reverberation tomography, J. Acoust. Soc. Am., 138 (6), 3458-3469, 2015. (soest no. 9547)

Paulatto, M, JP Canales, RA Dunn, RA Sohn, Heterogeneous and asymmetric crustal accretion: new constraints from multi-beam bathymetry and potential field data from the Rainbow area of the Mid-Atlantic Ridge (35°50’N - 36°35’N), Geochem. Geophys. Geosyst., 16, doi:10.1002/2015GC005743, 2015. (soest no. 9964)

Eason, DE and Dunn, RA, Petrogenesis and structure of oceanic crust in the Lau Back-Arc Basin, Earth Planet. Sci. Lett., 429, 128-138, 2015. (soest no. 9480)

Ito, G, RA Dunn, A Li, The origin of shear wave splitting beneath Iceland, Geophys. J. Int., 201, 1297-1312, 2015. (soest no. 9268)

Wei, SS, DA Wiens, Y Zha, T Plank, SC Webb, DK Blackman, RA Dunn, JA Conder, Seismic evidence of effects of water on mantle melt transport in the Lau back-arc mantle, Nature, doi:10.1038/nature14113, 2015. (soest no. 10204)

Dunn, RA, Crust and lithospheric structure – seismic structure of mid-ocean ridges. In (eds. B. Romanowicz and A. Dziewonski) Treatise on Geophysics, vol. 1 – Seismology and Structure of the Earth 2nd Edition, Elsevier Science, UK, 2015. (soest no. 9088)

Dunn, RA, Tracking stress and hydrothermal activity along the Eastern Lau Spreading Center using seismic anisotropy, Earth Planet. Sci. Lett., 410,105-116, 2015. (soest no. 9220)

Brodie, D and RA Dunn, Low frequency baleen whale calls detected on an ocean-bottom seismometer array in the Lau basin, South Pacific Ocean, J. Acoust. Soc. Am., 137(1), 53-62. 2015. (soest no. 9040)

Zha, Y, SC Webb, SS Wei, DA Wiens, DK Blackman, W Menke, RA Dunn, JA Conder, Seismological imaging of ridge-arc interaction beneath the Eastern Lau Spreading Center from OBS ambient noise tomography, Earth Planet. Sci. Lett., 408, 194-206, 2014. (soest no. 9935)

Arai, R and RA Dunn, Seismological study of Lau back arc crust: mantle water, magmatic differentiation, and a compositionally zoned basin, Earth Planet. Sci. Lett., 390, 314-317, 2014. (soest no. 8998)

Ito G, RA Dunn, A Li, CJ Wolfe, A Gallego, Y Fu, Seismic anisotropy and shear-wave splitting associated with mantle plume-plate interaction, J. Geophys. Res., 119, doi: 10.1002/2013JB010735, 2014. (soest no. 9095)

Canales, JP, RA Dunn, G Ito, RS Detrick, V Sallarès, Effect of variations in magma supply on the crustal structure of mid-ocean ridges: insights from the western Galápagos Spreading Center. In (eds. KS Harpp, E Mittelstaedt, N d’Ozouville, DW Graham) The Galapagos: A Natural Laboratory for the Earth Sciences. Amer. Geophys. Union, 2014. (soest no. 8489)

Gallego, A, G Ito, RA Dunn, Investigating seismic anisotropy beneath the Reykjanes Ridge using models of mantle flow, crystallographic evolution, and surface wave propagation, Geochem. Geophys. Geosyst., doi: 10.1002/ggge.20204, 2013. (soest no. 8950)

Dunn, RA, F Martinez, JA Conder, Crustal construction and magma chamber properties along the Eastern Lau Spreading Center, Earth Planet. Sci. Lett., 371-372, 112-124, 2013. (soest no. 8915)

Conley, MM, and RA Dunn, Seismic shear wave structure of the uppermost mantle beneath the Mohns Ridge, Geochem. Geophys. Geosyst., 12, Q0AK01, doi:10.1029/2011GC003792, 2011. (soest no. 10115)

Dunn, RA and F Martinez, Contrasting crustal production and rapid mantle transitions beneath back-arc ridges, Nature, 469, 198-202, doi:10.1038/nature09690, 2011. (soest no. 8620)

Dunn, RA and O Hernandez, Tracking blue whales in the eastern tropical Pacific with an ocean-bottom seismometer and hydrophone array, J. Acoust. Soc. Am., 126(3), 1084-1094, 2009. (soest no. 6770)

Ito, G and RA Dunn, Mid-Ocean Ridges: Mantle Convection and Formation of the Lithosphere, Encyclop. Ocean Sci, 4030-4044, doi: 10.1016/B978-012374473-9.00654-8, 2009. (soest no. 6780)

Dunn, RA and DW Forsyth, Crust and Lithospheric Structure – Seismic Structure of Mid-Ocean Ridges, in Treatise on Geophysics, eds. A. Dziewonski and B. Romanowicz, Elsevier Science Ltd., 6054 pp., 2007. (soest no. 6279)

Delorey, AA, RA Dunn, and JB Gaherty, Surface wave tomography of the upper mantle beneath the Reykjanes Ridge with implications for ridge–hot spot interaction, J. Geophys. Res., 112, B08313, doi: 10.1029/2006JB004785, 2007. (soest no. 6273)

Gaherty, JB, and RA Dunn, Evaluating hotspot-ridge interaction in the Atlantic from regional-scale seismic observations, Geochem. Geophys. Geosyst., 8, Q05006, doi: 10.1029/2006GC001533, 2007. (soest no. 6302)

Toomey, DR, D Jousselin, RA Dunn, RS Detrick, WSD Wilcock, Skew of mantle upwelling beneath the East Pacific Rise governs segmentation, Nature, 446; doi: 10.1038/nature05679; 22 March 2007. (soest no. 6401)

Genz, AS, CH Fletcher, RA Dunn, LN Frazer, JJ Rooney, The predictive accuracy of shoreline change rate methods and alongshore beach variation on Maui, Hawaii, J. Coastal Res., 23(1), 87-105, 2007. (soest no. 6317)

Dunn, RA, V Lekic, RS Detrick, and DR Toomey, Three-dimensional seismic structure of the Mid-Atlantic Ridge at 35˚N: focused melt supply and non-uniform plate spreading, J. Geophys. Res., 110, B09101, doi: 10.1029/2004JB003473, 2005. (soest no. 5435)

Dunn, RA, and DW Forsyth, Imaging the transition between the region of mantle melting and the crustal magma chamber beneath the southern East Pacific Rise with short-period Love waves, J. Geophys. Res., 108(B7), 2352, doi: 10.1029/2002JB002217, 2003. (soest no. 6217)

Cherkaoui, ASM, WSD Wilcock, RA Dunn, and DR Toomey, A numerical model of hydrothermal cooling and crustal accretion at a fast spreading mid-ocean ridge, Geochem. Geophys. Geosyst., 4(9), 8616, doi: 10.1029/2001GC000215, 2003. (soest no. 5171)

Jousselin, D, RA Dunn, DR Toomey, Modeling the seismic signature of structural data from the Oman Ophiolite: Can a mantle diapir be detected beneath the East Pacific Rise?, Geochem. Geophys. Geosyst., 4(7), 8610, doi: 10.1029/2002GC000418, 2003. (soest no. 6218)

Dunn, RA, and DR Toomey, Crack-induced seismic anisotropy in the oceanic crust across the East Pacific Rise (9°30'N), Earth Planet. Sci. Lett., 189, 9-17, 2001.

Dunn, RA, DR Toomey, RS Detrick, and WSD Wilcock, Continuous mantle melt supply beneath an overlapping spreading center on the East Pacific Rise, Science, 291, 1955-1958, 2001.

Dunn, RA, DS Scheirer, and DW Forsyth, A detailed comparison of repeated bathymetric surveys along a 300-km-long section of the southern East Pacific Rise, J. Geophys. Res., 106, 463-472, 2001.

Dunn, RA, DR Toomey, and SC Solomon, Three-dimensional seismic structure and physical properties of the crust and shallow mantle beneath the East Pacific Rise at 9°30'N, J. Geophys. Res., 105, 23,537-23,555, 2000.

Dunn, RA and DR Toomey, Seismological evidence for three-dimensional melt migration beneath the East Pacific Rise, Nature, 388, 259-262, 1997.

Cuny, J, RA Dunn, ST Hackstadt, CW Harrop, HH Hersey, AD Malony, and DR Toomey, Building domain-specific environments for computational science: a case study in seismic tomography, Inter. J. Supercomp. App. High Perf. Comp., 11, 179-196, 1997.

Dunn, RA, Three-dimensional seismic structure and physical properties of the crust and shallow mantle beneath the East Pacific Rise at 9°30'N, Doctoral Thesis, University of Oregon, Eugene, 1999.