PMEL Publications Search Results

Published

Fiscal Year 2023

Cont. #: 4928

Herrera, S., W.W. Chadwick, Jr., M.G. Jackson, J. Konter, L. McCartin, N. Pittoors, E. Bushta, and S.G. Merle (2023): From basalt to biosphere: Early non-vent community succession on the erupting Vailulu’u deep seamount. Front. Mar. Sci., 10, 1110062, doi: 10.3389/fmars.2023.1110062, View open access article online at Frontiers (external link).

Fiscal Year 2022

Cont. #: 5321

Chadwick, Jr., W.W., W.S.D. Wilcock, S.L. Nooner, J.W. Beeson, A.M. Sawyer, and T.-K. Lau (2022): Geodetic monitoring at Axial Seamount since its 2015 eruption reveals a waning magma supply and tightly linked rates of deformation and seismicity. Geochem. Geophys. Geosyst., 23(1), e2021GC010153, doi: 10.1029/2021GC010153, View online (open access).

Fiscal Year 2020

Cont. #: 4852

Fine, I.V., R.E. Thomson, W.W. Chadwick, Jr., and C.G. Fox (2020): Toward a universal frequency of occurrence distribution for tsunamis: Statistical analysis of a 32‐year bottom pressure record at Axial Seamount. Geophys. Res. Lett., 47(10), e2020GL087372, doi: 10.1029/2020GL087372, View online.

Fiscal Year 2019

Cont. #: 4792

Baker, E.T., S.L. Walker, W.W. Chadwick, Jr., D.A. Butterfield, N.J. Buck, and J.A. Resing (2019): Post-eruption enhancement of hydrothermal activity: A 33-year, multi-eruption time series at Axial Seamount (Juan de Fuca Ridge). Geochem. Geophys. Geosyst., 20(2), 814−828, doi: 10.1029/2018GC007802, View online.

Cont. #: 4806

Chadwick, Jr., W.W., S.G. Merle, E.T. Baker, S.L. Walker, J.A. Resing, D.A. Butterfield, M.O. Anderson, T. Baumberger, and A.M. Bobbitt (2018): A recent volcanic eruption discovered on the central Mariana back-arc spreading center. Front. Earth Sci., 6, 172, doi: 10.3389/feart.2018.00172.

Cont. #: 4667

Chadwick, Jr., W.W., and S.L. Nooner (2019): Processed Jason II ROV dive navigation at Axial Seamount, Juan de Fuca spreading center, from Kilo Moana cruise KM1813. Marine Geoscience Data System (MGDS), Interdisciplinary Earth Data Alliance (IEDA), doi: 10.1594/IEDA/324776, View online.

Cont. #: 4927

Chadwick, Jr., W.W., K.H. Rubin, S.G. Merle, A.M. Bobbitt, T. Kwasnitschka, and R.W. Embley (2019): Recent eruptions between 2012 and 2018 discovered at West Mata submarine volcano (NE Lau Basin, SW Pacific) and characterized by new ship, AUV, and ROV data. Front. Mar. Sci., 6, 495, Pacific Deep-Sea Discoveries: Geological and Biological Exploration, Patterns, and Processes, doi: 10.3389/fmars.2019.00495, View online.

Cont. #: 4836

Gregg, P.M., H. Le Mével, Y. Zhan, J. Dufek, D. Geist, and W.W. Chadwick, Jr. (2018): Stress triggering of the 2005 eruption of Sierra Negra volcano, Galápagos. Geophys. Res. Lett., 45, 13,288–13,297, doi: 10.1029/2018GL080393, View online.

Cont. #: 4794

Tepp, G., W.W. Chadwick, Jr., M.M. Haney, J.J. Lyons, R.P. Dziak, S.G. Merle, D.A. Butterfield, and C.W. Young III (2019): Hydroacoustic, seismic, and bathymetric observations of the 2014 submarine eruption at Ahyi Seamount, Mariana Arc. Geochem. Geophys. Geosyst., 20(7), 3608-3627, doi: 10.1029/2019GC008311, View online.

Fiscal Year 2018

Cont. #: 4678

Baker, E.T., S.L. Walker, J.A. Resing, W.W. Chadwick, Jr., S.G. Merle, M.O. Anderson, D.A. Butterfield, N.J. Buck, and S. Michael (2017): The effect of arc proximity on hydrothermal activity along spreading centers: New evidence from the Mariana back-arc (12.7°–18.3°N). Geochem. Geophys. Geosyst., 18(11), 4211–4228, doi: 10.1002/2017GC007234.

Cont. #: 4526

Carey, R., K. Orth, and W. Chadwick (2017): Meeting report: New frontiers and technologies in submarine volcanism research. Eos. Trans. AGU, 98, doi: 10.1029/2017EO084205, AGU Chapman Conference on Submarine Volcanism: New Approaches and Research Frontier; Hobart, Tasmania, Australia, 29 January to 3 February 2017.

Cont. #: 4769

Clague, D., J. Paduan, D. Caress, W. Chadwick, M. Le Saout, B. Dreyer, and R. Portner (2018): Interpreted outlines (version 2) as ASCII points of the 2011 lava flows and eruptive fissures at Axial Seamount, Juan de Fuca Ridge (investigator David Clague). Integrated Earth Data Applications (IEDA), Marine Geoscience Data System (MGDS), doi: 10.1594/IEDA/324416, Data product at marine-geo.org.

Cont. #: 4764

Clague, D., J. Paduan, D. Caress, W. Chadwick, M. Le Saout, B. Dreyer, and R. Portner (2018): Interpreted outlines (version 2) as shapefiles of the 2011 lava flows and eruptive fissures at Axial Seamount, Juan de Fuca Ridge (investigator David Clague). Integrated Earth Data Applications (IEDA), Marine Geoscience Data System (MGDS), doi: 10.1594/IEDA/324415, Data product at marine-geo.org.

Cont. #: 4675

Clague, D.A., J.B. Paduan, D.W. Caress, W.W. Chadwick, M. Le Saout, B. Dreyer, and R. Portner (2017): High-resolution AUV mapping and targeted ROV observations of three historical lava flows at Axial Seamount. Oceanography, 30(4), 82–99, doi: 10.5670/oceanog.2017.426.

Cont. #: 4777

Clague, D.A., J.B. Paduan, B.M. Dreyer, W.W. Chadwick, Jr., K.R. Rubin, M.R. Perfit, and A.T. Fundis (2018): Chemical variations in the 1998, 2011, and 2015 lava flows from Axial Seamount, Juan de Fuca Ridge: Cooling during ascent, lateral transport, and flow. Geochem. Geophys. Geosyst., 19(9), 2915–2933, doi: 10.1029/2018GC007708, View online (open access).

Cont. #: 4718

Spietz, R.L., D.A. Butterfield, N.J. Buck, B.I. Larson, W.W. Chadwick, Jr., S.L. Walker, D.S. Kelley, and R.M. Morris (2018): Deep-sea volcanic eruptions create unique chemical and biological linkages between the subsurface lithosphere and oceanic hydrosphere. Oceanography, 31(1), 128–135, doi: 10.5670/oceanog.2018.120.

Cont. #: 4715

Wilcock, W.S.D., R.P. Dziak, M. Tolstoy, W.W. Chadwick, Jr., S.L. Nooner, D.R. Bohnenstiehl, J. Caplan-Auerbach, F. Waldhauser, A.F. Arnulf, C. Baillard, T.-K. Lau, J.H. Haxel, Y.J. Tan, C. Garcia, S. Levy, and M.E. Mann (2018): The recent volcanic history of Axial Seamount: Geophysical insights into past eruption dynamics with an eye toward enhanced observations of future eruptions. Oceanography, 31(1), 114–123, doi: 10.5670/oceanog.2018.117.

Cont. #: 4762

Xu, G., W.W. Chadwick, Jr., W.S.D. Wilcock, K.G. Bemis, and J. Delaney (2018): Observation and modeling of hydrothermal response to the 2015 eruption at Axial Seamount, northeast Pacific. Geochem. Geophys. Geosyst., 19(8), 2780–2797, doi: 10.1029/2018GC007607, View online.

Fiscal Year 2017

Cont. #: 4621

Anderson, M.O., W.W. Chadwick, Jr., M.D. Hannington, S.G. Merle, J.A. Resing, E.T. Baker, D.A. Butterfield, S.L. Walker, and N. Augustin (2017): Geological interpretation of volcanism and segmentation of the Mariana back-arc spreading center between 12.7°N and 18.3°N. Geochem. Geophys. Geosyst., 18(6), 2240–2274, doi: 10.1002/2017GC006813.

Cont. #: 4421

Chadwick, W., J. Paduan, D. Clague, B. Dreyer, S. Merle, A. Bobbitt, D. Caress, B. Philip, D. Kelley, and S. Nooner (2016): Interpreted outlines (version 1) as shapefiles of the 2015 lava flows and eruptive fissures at Axial Seamount, Juan de Fuca Ridge (investigator William Chadwick). Integrated Earth Data Applications (IEDA), Marine Geoscience Data System (MGDS), doi: 10.1594/IEDA/323598, Data product at marine-geo.org.

Cont. #: 4508

Chadwick, Jr., W.W., B.P. Paduan, D.A. Clague, B.M. Dreyer, S.G. Merle, A.M. Bobbitt, D.W. Caress, B.T. Philip, D.S. Kelley, and S.L. Nooner (2016): Voluminous eruption from a zoned magma body after an increase in supply rate at Axial Seamount. Geophys. Res. Lett., 43(23), 12,063–12,070, doi: 10.1002/2016GL071327, Available online: Open access.

Cont. #: 4509

Nooner, S.L., and W.W. Chadwick, Jr. (2016): Inflation-predictable behavior and co-eruption deformation at Axial Seamount. Science, 354(6318), 1399–1403, doi: 10.1126/science.aah4666.

Cont. #: 4585

Schnur, S.R., W.W. Chadwick, Jr., R.W. Embley, V.L. Ferrini, C.E.J. de Ronde, K.V. Cashman, N. Deardorff, S.G. Merle, R.P. Dziak, J. Haxel, and H. Matsumoto (2017): A decade of volcanic construction and destruction at the summit of NW-Rota-1 Seamount: 2004–2014. J. Geophys. Res., 122(3), 1558–1584, doi: 10.1002/2016JB013742.

Fiscal Year 2016

Cont. #: 4438

Chadwick, W., and S. Nooner (2015): Processed Bottom Pressure Recorder (BPR) data from uncabled instruments deployed at Axial Seamount on the Juan de Fuca Ridge (investigators William Chadwick and Scott Nooner). Integrated Earth Data Applications (IEDA), Marine Geoscience Data System, doi: 10.1594/IEDA/322282, Data product at marine-geo.org.

Cont. #: 4572

Resing, J.A., W.W. Chadwick Jr., S.L. Walker, S.G. Merle, E.T. Baker, and C.L. Kaiser (2016): Raw Near-Bottom CTD and Magnetometer Data (ASCII format) from the Izu-Bonin-Mariana Volcanic Arc acquired by AUV Sentry during the Falkor expedition FK151121 (2015). Integrated Earth Data Applications (IEDA), Marine Geoscience Data System (MGDS), doi: 10.1594/IEDA/323566, Data product at marine-geo.org.

Cont. #: 4571

Walker, S.L., E.T. Baker, J.A. Resing, W.W. Chadwick Jr., S.G. Merle, and C.L. Kaiser (2016): Raw Near-Bottom MAPR Data from the Izu-Bonin-Mariana Volcanic Arc acquired by AUV Sentry during the Falkor expedition FK151121 (2015). Integrated Earth Data Applications (IEDA), Marine Geoscience Data System (MGDS), doi: 10.1594/IEDA/323567, Data product at marine-geo.org.

Fiscal Year 2015

Cont. #: 4420

Chadwick, Jr., W.W., and S.G. Merle (2015): Processed EM122 Swath Bathymetry Grids (NetCDF:GMT format) derived from ship-based Multibeam Sonar Data from the Izu-Bonin-Mariana Arc: Mariana: NW Rota-1 Volcano to Esmeralda Seamount (20m grid) and Esmeralda to SW of Guam (40m grid) acquired during the Kilo Moana expedition KM1005 (2010). Integrated Earth Data Applications (IEDA), Marine Geoscience Data System (MGDS), doi: 10.1594/IEDA/317112, Data product at marine-geo.org.

Cont. #: 4209

Chadwick, Jr., W.W., S.G. Merle, N.J. Buck, J.W. Lavelle, J.A. Resing, and V. Ferrini (2014): Imaging of CO₂ bubble plumes above an erupting submarine volcano, NW Rota-1, Mariana Arc. Geochem. Geophys. Geosyst., 15(11), 4325–4342, doi: 10.1002/2014GC005543.

Cont. #: 3942

de Ronde, C.E.J., W.W. Chadwick, Jr., R.G. Ditchburn, R.W. Embley, V. Tunnicliffe, E.T. Baker, S.L. Walker, V.L. Ferrini, and S.M. Merle (2015): Molten sulfur lakes of intraoceanic arc volcanoes. In Volcanic Lakes (Advances in Volcanology), D. Rouwet, F. Tassi, and J. Vandemeulebrouck (eds.), Springer.

Cont. #: 4208

Dziak, R.P., D.R. Bohnenstiehl, E.T. Baker, H. Matsumoto, J. Caplan-Auerbach, R.W. Embley, S.G. Merle, S.L. Walker, T.-K. Lau, and W.W. Chadwick, Jr. (2015): Long-term explosive degassing and debris flow activity at West Mata submarine volcano. Geophys. Res. Lett., 42(5), 1480–1487, doi: 10.1002/2014GL062603.

Cont. #: 4119

Embley, R.W., S.G. Merle, E.T. Baker, K.H. Rubin, J.E. Lupton, J.A. Resing, R.P. Dziak, M.D. Lilley, W.W. Chadwick, Jr., T. Shank, R. Greene, S.L. Walker, J. Haxel, E. Olson, and T. Baumberger (2014): Eruptive modes and hiatus of volcanism at West Mata seamount:, NE Lau basin: 1996–2012. Geochem. Geophys. Geosyst., 15(10), 4093–4115, doi: 10.1002/2014GC005387.

Cont. #: 3863

Geist, D., G. Bergantz, and W.W. Chadwick, Jr. (2014): Galápagos magma chambers. In The Galápagos: A Natural Laboratory for the Earth Sciences, K.S. Harpp, E. Mittelstaedt, N. d'Ozouville and D.W. Graham (eds.), Geophysical Monograph 204, American Geophysical Union, Washington, D.C., 55–70.

Fiscal Year 2014

Cont. #: 4201

Caplan-Auerbach, J., R.P. Dziak, D.R. Bohnenstiehl, W.W. Chadwick, and T.-K. Lau (2014): Hydroacoustic investigation of submarine landslides at West Mata volcano, Lau Basin. Geophys. Res. Lett., 41(16), 5927–5934, doi: 10.1002/2014GL060964.

Cont. #: 4219

Caress, D., D. Clague, J. Paduan, J. Martin, B. Dreyer, W. Chadwick, A. Denny, and D. Kelley (2014): Interpreted outlines of the 2011 lava flows and eruptive fissures at Axial Seamount, Juan de Fuca Ridge (investigator David Caress). Integrated Earth Data Applications (IEDA), Marine Geoscience Data System (MGDS), doi: 10.1594/IEDA/321224, Data product at marine-geo.org.

Cont. #: 4182

Chadwick, J., R. Keller, G. Kamenov, G. Yogodzinski, and J. Lupton (2014): The Cobb hot spot: HIMU-DMM mixing and melting controlled by a progressively thinning lithospheric lid. Geochem. Geophys. Geosyst., 15(8), 3107–3122, doi: 10.1002/2014GC005334.

Cont. #: 3920

Chadwick, W., D. Clague, R. Embley, M. Perfit, D. Butterfield, D. Caress, J. Paduan, P. Sasnett, S. Merle, and A. Bobbitt (2014): Interpreted outlines as shapefiles of the 1998 lava flows and eruptive fissures at Axial Seamount, Juan de Fuca Ridge (investigator William Chadwick). Integrated Earth Data Applications (IEDA), Marine Geoscience Data System (MGDS), doi: 10.1594/IEDA/321222, Data product at marine-geo.org.

Cont. #: 3964

Chadwick, Jr., W.W., D.A. Clague, R.W. Embley, M.R. Perfit, D.A. Butterfield, D.W. Caress, J.B. Paduan, J.F. Martin, P. Sasnett, S.G. Merle, and A.M. Bobbitt (2013): The 1998 eruption of Axial Seamount: New insights on submarine lava flow emplacement from high-resolution mapping. Geochem. Geophys. Geosyst., 14(10), 3939–3968, doi: 10.1002/ggge.20202.

Cont. #: 3993

Clague, D.A., B.M. Dreyer, J.B. Paduan, J.F. Martin, W.W. Chadwick, Jr., D.W. Caress, R.A. Portner, T.P. Guilderson, M.L. McGann, H. Thomas, D.A. Butterfield, and R.W. Embley (2013): Geologic history of the summit of Axial Seamount, Juan de Fuca Ridge. Geochem. Geophys. Geosyst., 14(10), 4403–4443, doi: 10.1002/ggge.20240.

Cont. #: 4139

Embley, R.W., Y. Tamura, S.G. Merle, T. Sato, O. Oshizuka, W.W. Chadwick, Jr., D.A. Wiens, P. Shore, and R.J. Stern (2014): Eruption of South Sarigan Seamount, Northern Mariana Islands: Insights into hazards from submarine volcanic eruptions. Oceanography, 27(2), 24–31, doi: 10.5670/oceanog.2014.37.

Fiscal Year 2013

Cont. #: 3945

Deschamps, A., M.A. Tivey, W.W. Chadwick, Jr., and R.W. Embley (2013): Waning magmatic activity along the Southern Explorer Ridge revealed through fault restoration of rift topography. Geochem. Geophys. Geosyst., 14(5), 1609–1625, doi: 10.1002/ggge.20110.

Cont. #: 3435

Dziak, R.P., E.T. Baker, A.M. Shaw, D.R. Bohnenstiehl, W.W. Chadwick, Jr., J.H. Haxel, H. Matsumoto, and S.L. Walker (2012): Flux measurements of explosive degassing using a year-long hydroacoustic record at an erupting submarine volcano. Geochem. Geophys. Geosyst., 13, Q0AF07, doi: 10.1029/2012GC004211.

Cont. #: 3715

Leybourne, M.I., U. Schwarz-Schampera, C.E.J. de Ronde, E.T. Baker, K. Faure, S.L. Walker, D.A. Butterfield, J.A. Resing, J.E. Lupton, M.D. Hannington, H.L. Gibson, G.J. Massoth, R.W. Embley, W.W. Chadwick, Jr., M.R. Clark, C. Timm, I.J. Graham, and I.C. Wright (2012): Submarine magmatic-hydrothermal systems at the Monowai Volcanic Center, Kermadec Arc. Econ. Geol., 107, 1669–1694 (Society of Economic Geologists, 7811 Shaffer Parkway, Littleton, CO 80127 USA), doi: 10.2113/econgeo.107.8.1669.

Cont. #: 3848

Paros, J., C. Meinig, M. Spillane, P. Migliacio, L. Tang, W. Chadwick, T. Schaad, and S. Stalin (2012): Nano-resolution technology demonstrates promise for improved local tsunami warnings on the MARS project. In Oceans 2012 MTS/IEEE, Yeosu, Korea, 21–24 May 2012, doi: 10.1109/OCEANS-Yeosu.2012.6263411. [PDF]

Fiscal Year 2012

Cont. #: 3752

Baker, E.T., W.W. Chadwick, Jr., J.P. Cowen, R.P. Dziak, K.H. Rubin, and D.J. Fornari (2012): Hydrothermal discharge during submarine eruptions: The importance of detection, response, and new technology. Oceanography, 25(1), 128–141, doi: 10.5670/oceanog.2012.11.

Cont. #: 3791

Caress, D.W., D.A. Clague, J.B. Paduan, J. Martin, B. Dreyer, W.W. Chadwick, Jr., A. Denny, and D.S. Kelley (2012): Repeat bathymetric surveys at 1-metre resolution of lava flows erupted at Axial Seamount in April 2011. Nature Geosci., 5(7), 483–488, doi: 10.1038/ngeo1496.

Cont. #: 3782

Chadwick, Jr., W.W., S.L. Nooner, D.A. Butterfield, and M.D. Lilley (2012): Seafloor deformation and forecasts of the April 2011 eruption at Axial Seamount. Nature Geosci., 5(7), 474–477, doi: 10.1038/ngeo1464.

Cont. #: 3716

Chadwick, Jr., W.W., R.P. Dziak, J.H. Haxel, R.W. Embley, and H. Matsumoto (2012): Submarine landslide triggered by volcanic eruption recorded by in situ hydrophone. Geology, 40(1), 51–54, doi: 10.1130/G32495.1.

Cont. #: 3723

Clague, D.A., J.B. Paduan, D.W. Caress, H. Thomas, W.W. Chadwick, Jr., and S.G. Merle (2011): Volcanic morphology of West Mata Volcano, NE Lau Basin, based on high-resolution bathymetry and depth changes. Geochem. Geophys. Geosyst., 12(QOAF03), doi: 10.1029/2011GC003791.

Cont. #: 3793

Dziak, R.P., J.H. Haxel, D.R. Bohnenstiehl, W.W. Chadwick, Jr., S.L. Nooner, M.J. Fowler, H. Matsumoto, and D.A.. Butterfield (2012): Seismic precursors and magma ascent before the April 2011 eruption at Axial Seamount. Nature Geosci., 5(7), 478–482, doi: 10.1038/ngeo1490.

Cont. #: 3785

Rubin, K.H., S.A. Soule, W.W. Chadwick, Jr., D.J. Fornari, D.A. Clague, R.W. Embley, E.T. Baker, M.R. Perfit, D.W. Caress, and R.P. Dziak (2012): Volcanic eruptions in the deep sea. Oceanography, 25(1), 142–157, doi: 10.5670/oceanog.2012.12.

Fiscal Year 2011

Cont. #: 3559

Chadwick, Jr., W.W., S. Jónsson, D.J. Geist, M. Poland, D.J. Johnson, S. Batt, K.S. Harpp, and A. Ruiz (2011): The May 2005 eruption of Fernandina volcano, Galápagos: The first circumferential dike intrusion observed by GPS and InSAR. Bull. Volcanol., 73(6), 679–697, doi: 10.1007/s00445-010-0433-0.

Cont. #: 3560

Deardorff, N.D., K.V. Cashman, and W.W. Chadwick, Jr. (2011): Observations of eruptive plume dynamics and pyroclastic deposits from submarine explosive eruptions at NW Rota-1, Mariana Arc. J. Volcanol. Geoth. Res., 202(1–2), 47–59, doi: 10.1016/j.jvolgeores.2011.01.003.

Cont. #: 3712

Paros, J., E. Bernard, J. Delaney, C. Meinig, M. Spillane, P. Migliacio, L. Tang, W. Chadwick, T. Schaad, and S. Stalin (2011): Breakthrough underwater technology holds promise for improved local tsunami warnings. In Symposium for Underwater Technology (UT), 2011 IEEE - 2011 Workshop on Scientific Use of Submarine Cables and Related Technologies (SSC), 5-8 April 2011, doi: 10.1109/UT.2011.5774145.

Fiscal Year 2010

Cont. #: 3491

Chadwick, W.W., D.A. Butterfield, R.W. Embley, V. Tunnicliffe, J.A. Huber, S.L. Nooner, and D.A. Clague (2010): Spotlight 1: Axial Seamount. Oceanography, 23(1), 38–39, doi: 10.5670/oceanog.2010.73.

Cont. #: 3490

Chadwick, W.W., R.W. Embley, E.T. Baker, J.A. Resing, J.E. Lupton, K.V. Cashman, R.P. Dziak, V. Tunnicliffe, D.A. Butterfield, and Y. Tamura (2010): Spotlight 10: Northwest Rota-1 Seamount. Oceanography, 23(1), 182-183, doi: 10.5670/oceanog.2010.82.

Cont. #: 3326

Schiffman, P., R. Zierenberg, W.W. Chadwick, Jr., D.A. Clague, and J. Lowenstern (2010): Contamination of basaltic lava by seawater: evidence found in a lava pillar from Axial Seamount, Juan de Fuca Ridge. Geochem. Geophys. Geosyst., 11(4), Q04004, doi: 10.1029/2009GC003009.

Fiscal Year 2009

Cont. #: 3165

Chadwick, W.W., and D. Geist (2009): Galapagos GPS Network: GV09-GV09 - Sierra Negra P.S.. UNAVCO GPS Data Set, UNAVCO, Inc., http://www.unavco.org/data/doi/doi:10.7283/T5VQ30WM, doi: 10.7283/T5VQ30WM, Data product at UNAVCO.

Cont. #: 3174

Chadwick, W.W., and D. Geist (2009): Galapagos GPS Network: GV10-GV10 - Sierra Negra P.S.. UNAVCO GPS Data Set, UNAVCO, Inc, http://www.unavco.org/data/doi/doi:10.7283/T5445JQC, doi: 10.7283/T5445JQC, Data product at UNAVCO.

Cont. #: 3221

Chadwick, Jr., W.W., I.C. Wright, U. Schwarz-Schampera, O. Hyvernaud, D. Reymond, and C.E.J. de Ronde (2008): Cyclic eruptions and sector collapses at Monowai submarine volcano, Kermadec arc: 1998–2007. Geochem. Geophys. Geosyst., 9, Q10014, doi: 10.1029/2008GC002113.

Cont. #: 3150

Nooner, S.L., and W.W. Chadwick, Jr. (2009): Volcanic inflation measured in the caldera of Axial Seamount: Implications for magma supply and future eruptions. Geochem. Geophys. Geosyst., 10(2), Q02002, doi: 10.1029/2008GC002315.

Cont. #: 3286

Tunnicliffe, V., K.T.A. Davies, D.A. Butterfield, R.W. Embley, J.M. Rose, and W.W. Chadwick, Jr. (2009): Survival of mussels in extremely acidic waters on a submarine volcano. Nature Geosci., 2, 344–348, doi: 10.1038/ngeo500.

Cont. #: 3193

Vigouroux, N., G. Williams-Jones, W. Chadwick, D. Geist, A. Ruiz, and D. Johnson (2008): 4D gravity changes associated with the 2005 eruption of Sierra Negra volcano, Galápagos. Geophysics, 73(6), WA29–WA35, doi: 10.1190/1.2987399.

Fiscal Year 2008

Cont. #: 3078

Chadwick, Jr., W.W., K.V. Cashman, R.W. Embley, H. Matsumoto, R.P. Dziak, C.E.J. de Ronde, T.K. Lau, N.D. Deardorff, and S.G. Merle (2008): Direct video and hydrophone observations of submarine explosive eruptions at NW Rota-1 Volcano, Mariana Arc. J. Geophys. Res., 113, B08S10, doi: 10.1029/2007JB005215.

Cont. #: 3243

Dziak, R., D. Bohnenstiehl, J. Lupton, W. Chadwick, R. Embley, J. Braunmiller, A. Trehu, S. Merle, M. Fowler, and J. Nabelek (2008): Time critical studies update. Ridge 2000 Events, 3, 44–45.

Cont. #: 3162

Embley, R.W., E.T. Baker, D.A. Butterfield, W.W. Chadwick, Jr., J.E. Lupton, J.A. Resing, C.E.J. de Ronde, K.-I. Nakamura, V. Tunnicliffe, J.F. Dower, and S.G. Merle (2007): Exploring the submarine ring of fire: Mariana Arc—Western Pacific. Oceanography, 20(4), 68–79, doi: 10.5670/oceanog.2007.07.

Cont. #: 3035

Geist, D.J., K.S. Harpp, T.R. Naumann, M. Poland, W.W. Chadwick, Jr., M. Hall, and E. Rader (2008): The 2005 eruption of Sierra Negra volcano, Galapagos, Ecuador. Bull. Volcanol., 70, 655–673, doi: 10.1007/s00445-007-0160-3.

Cont. #: 2908

Resing, J.A., G. Lebon, E.T. Baker, J.E. Lupton, R.W. Embley, G.J. Massoth, W.W. Chadwick, Jr., and C.E.J. de Ronde (2007): Venting of acid-sulfate fluids in a high-sulfidation setting at NW Rota-1 submarine volcano on the Mariana Arc. Econ. Geol., 102(6), 1047–1061, doi: 10.2113/gsecongeo.102.6.1047.

Cont. #: 3131

Walker, S.L., E.T. Baker, J.A. Resing, W.W. Chadwick, Jr., G.T. Lebon, J.E. Lupton, and S.G. Merle (2008): Eruption-fed particle plumes and volcaniclastic deposits at a submarine volcano: NW Rota-1, Mariana arc. J. Geophys. Res., 113, B08S11, doi: 10.1029/2007JB005441.

Cont. #: 3034

Wright, I.C., W.W. Chadwick, Jr., C.E.J. de Ronde, D. Reymond, O. Hyvernaud, H.-H. Gennerich, P. Stoffers, K. Mackay, M. Dunkin, and S.C. Bannister (2008): Collapse and reconstruction of Monowai submarine volcano, Kermadec arc, 1998–2004. J. Geophys. Res., 113, B08S03, doi: 10.1029/2007JB005138.

Fiscal Year 2007

Cont. #: 3026

Chadwick, Jr., W.W. (2006): A submarine volcano is caught in the act. Science, 314, 1887–1888, doi: 10.1126/science.1137082.

Cont. #: 2896

Chadwick, Jr., W.W., D.J. Geist, S. Jónsson, M. Poland, D.J. Johnson, and C.M. Meertens (2006): A volcano bursting at the seams: Inflation, faulting, and eruption at Sierra Negra Volcano, Galápagos. Geology, 34(12), 1025–1028, doi: 10.1130/G22826A.1.

Cont. #: 3029

Deschamps, A., M. Tivey, R.W. Embley, and W.W. Chadwick (2007): Quantitative study of the deformation at Southern Explorer Ridge using high-resolution bathymetric data. Earth Planet. Sci. Lett., 259(1–2), 1–17, doi: 10.1016/j.epsl.2007.04.007.

Fiscal Year 2006

Cont. #: 2868

Chadwick, W.W., and D. Geist (2006): Galapagos 2006. UNAVCO GPS Data Set, UNAVCO, Inc., http://www.unavco.org/data/doi/doi:10.7283/T5GF0RRM, doi: 10.7283/T5GF0RRM, Data product at UNAVCO.

Cont. #: 2871

Chadwick, W.W., and D. Geist (2006): Galapagos GPS Network: GV07-GV07 P.S.. UNAVCO GPS Data Set, UNAVCO, Inc., http://www.unavco.org/data/doi/doi:10.7283/T5RX9994, doi: 10.7283/T5RX9994, Data product at UNAVCO.

Cont. #: 2895

Chadwick, W.W., and D. Geist (2006): Galapagos GPS Network: GV08-GV08 P.S.. UNAVCO GPS Data Set, UNAVCO, Inc., http://www.unavco.org/data/doi/doi:10.7283/T5CN725H, doi: 10.7283/T5CN725H, Data product at UNAVCO.

Cont. #: 2709

Chadwick, Jr., W.W., S.L. Nooner, M.A. Zumberge, R.W. Embley, and C.G. Fox (2006): Vertical deformation monitoring at Axial Seamount since its 1998 eruption using deep-sea pressure sensors. J. Volcanol. Geoth. Res., 150(1–3), 313–327, doi: 10.1016/j.jvolgeores.2005.07.006.

Cont. #: 2847

Dziak, R., J. Cowen, E. Baker, D. Bohnenstiehl, B. Chadwick, J. Resing, and R. Embley (2006): Detecting volcanic events in the northeast Pacific. Eos Trans. AGU, 87(4), 37–42, doi: 10.1029/2006EO040001.

Cont. #: 2893

Embley, R.W., W.W. Chadwick, Jr., E.T. Baker, D.A. Butterfield, J.A. Resing, C.E.J. de Ronde, V. Tunnicliffe, J.E. Lupton, S.K. Juniper, K.H. Rubin, R.J. Stern, G.T. Lebon, K.-I. Nakamura, S.G. Merle, J.R. Hein, D.A. Wiens, and Y. Tamura (2006): Long-term eruptive activity at a submarine arc volcano. Nature, 441(7092), 494–497, doi: 10.1038/nature04762.

Cont. #: 2712

Geist, D., W. Chadwick, and D. Johnson (2006): Results from new GPS and gravity monitoring networks at Fernandina and Sierra Negra volcanoes, Galápagos, 2000–2002. J. Volcanol. Geoth. Res., 150(1–3), 79–97, doi: 10.1016/j.jvolgeores.2005.07.003.

Cont. #: 2843

Lupton, J., D. Butterfield, M. Lilley, L. Evans, K.-I. Nakamura, W. Chadwick, Jr., J. Resing, R. Embley, E. Olson, G. Proskurowski, E. Baker, C. de Ronde, K. Roe, R. Greene, G. Lebon, and C. Young (2006): Submarine venting of liquid carbon dioxide on a Mariana Arc volcano. Geochem. Geophys. Geosyst., 7, Q08007, doi: 10.1029/2005GC001152.

Fiscal Year 2005

Cont. #: 2733

Chadwick, J., M. Perfit, I. Ridley, I. Jonasson, G. Kamenov, W. Chadwick, R. Embley, P. le Roux, and M. Smith (2005): Magmatic effects of the Cobb Hotspot on the Juan de Fuca Ridge. J. Geophys. Res., 110(B3), B03101, doi: 10.1029/2003JB002767.

Cont. #: 2728

Chadwick, Jr., W.W., R.W. Embley, P.D. Johnson, S.G. Merle, S. Ristau, and A. Bobbitt (2005): The submarine flanks of Anatahan Volcano, commonwealth of the Northern Mariana Islands. J. Volcanol. Geoth. Res., 146(1–3), 8–25, doi: 10.1016/j.jvolgeores.2004.11.032.

Fiscal Year 2004

Cont. #: 2545

Chadwick, W.W. (2003): Quantitative contraints on the growth of submarine lava pillars from a monitoring instrument that was caught in a lava flow. J. Geophys. Res., 108(B11), 2534, doi: 10.1029/2003JB002422.

Cont. #: 2136

Embley, R.W., E.T. Baker, W.W. Chadwick, Jr., J.E. Lupton, J.A. Resing, G.J. Massoth, and K. Nakamura (2004): Explorations of Mariana Arc volcanoes reveal new hydrothermal systems. Eos Trans. AGU, 85(4), 37, 40, doi: 10.1029/2004EO040001.

Fiscal Year 2003

Cont. #: 2458

Dziak, R.P., W.W. Chadwick, Jr., C.G. Fox, and R.W. Embley (2003): Hydrothermal temperature changes at the southern Juan de Fuca Ridge associated with a Mw 6.2 Blanco Transform earthquake. Geology, 31(2), 119–122, doi: 10.1130/0091-7613(2003)031<0119:HTCATS>2.0.CO;2.

Fiscal Year 2002

Cont. #: 2286

Chadwick, W.W., and M. Stapp (2002): A deep-sea observatory experiment using acoustic extensometers: Precise horizontal distance measurements across a mid-ocean ridge. IEEE J. Oceanic. Eng., 27(2), 193–201, doi: 10.1109/JOE.2002.1002473.

Cont. #: 2171

Geist, D., W.W. Chadwick, and C. Meertens (2002): Galapagos GPS Network: GV01-GV01 P.S.. UNAVCO GPS Data Set, UNAVCO, Inc., http://www.unavco.org/data/doi/doi:10.7283/T5HD7SXW, doi: 10.7283/T5HD7SXW, Data product at UNAVCO.

Cont. #: 2192

Geist, D., W.W. Chadwick, and C. Meertens (2002): Galapagos GPS Network: GV02-GV02 P.S.. UNAVCO GPS Data Set, UNAVCO, Inc., http://www.unavco.org/data/doi/doi:10.7283/T57W69FS, doi: 10.7283/T57W69FS, Data product at UNAVCO.

Cont. #: 2193

Geist, D., W.W. Chadwick, and C. Meertens (2002): Galapagos GPS Network: GV03-GV03 P.S.. UNAVCO GPS Data Set, UNAVCO, Inc., http://www.unavco.org/data/doi/doi:10.7283/T5N58JM5, doi: 10.7283/T5N58JM5, Data product at UNAVCO.

Cont. #: 2194

Geist, D., W.W. Chadwick, and C. Meertens (2002): Galapagos GPS Network: GV04-GV04 P.S.. UNAVCO GPS Data Set, UNAVCO, Inc., http://www.unavco.org/data/doi/doi:10.7283/T50C4T1H, doi: 10.7283/T50C4T1H, Data product at UNAVCO.

Cont. #: 2309

Geist, D., W.W. Chadwick, and C. Meertens (2002): Galapagos GPS Network: GV05-GV05 P.S.. UNAVCO GPS Data Set, UNAVCO, Inc., http://www.unavco.org/data/doi/doi:10.7283/T5QZ286R, doi: 10.7283/T5QZ286R, Data product at UNAVCO.

Cont. #: 2332

Geist, D., W.W. Chadwick, and C. Meertens (2002): Galapagos GPS Network: GV06-GV06 P.S.. UNAVCO GPS Data Set, UNAVCO, Inc., http://www.unavco.org/data/doi/doi:10.7283/T5M61HHS, doi: 10.7283/T5M61HHS, Data product at UNAVCO.

Fiscal Year 2001

Cont. #: 2316

Chadwick, W., E. Baker, D. Butterfield, P. Canales, S. Carbotte, D. Caress, D. Chadwell, R. Detrick, J. Diebold, A. Harding, J. Hildebrand, H. Jannasch, K. Johnson, G. Kent, R. Koski, J. Morton, W. Normark, M. Perfit, C. Reiss, G. Sasagawa, M. Smith, F. Spiess, D. Stakes, M.A. Tivey, S. Tucker, G. Wheat, and M. Zumberge (2001): The RIDGE seafloor observatory at the Cleft Segment: Investigation of linkages between geodetic, geophysical, geochemical, and water column processes. RIDGE Events, 11(1), February 2001, 18–24.

Cont. #: 2225

Chadwick, W.W., D.S. Scheirer, R.W. Embley, and H.P. Johnson (2001): High-resolution bathymetric surveys using scanning sonars: Relationships between hydrothermal vents and geologic structure at recent eruption sites on the Juan de Fuca Ridge. J. Geophys. Res., 106(B8), 16,075–16,099, doi: 10.1029/2001JB000297.

Cont. #: 2321

Fox, C.G., W.W. Chadwick, Jr., and R.W. Embley (2001): Direct observation of a submarine volcanic eruption from a sea-floor instrument caught in a lava flow. Nature, 412, 727–729, doi: 10.1038/35089066.

Fiscal Year 2000

Cont. #: 2081

Chadwick, W.W., R.W. Embley, H.B. Milburn, C. Meinig, and M. Stapp (1999): Evidence for deformation associated with the 1998 eruption of Axial Volcano, Juan de Fuca Ridge, from acoustic extensometer measurements. Geophys. Res. Lett., 26(23), 3441–3444, doi: 10.1029/1999GL900498.

Cont. #: 2085

Embley, R.W., W.W. Chadwick, Jr., D. Clague, and D. Stakes (1999): 1998 eruption of Axial Volcano: Multibeam anomalies and seafloor observations. Geophys. Res. Lett., 26(23), 3425–3428, doi: 10.1029/1999GL002328.

Cont. #: 2063

Embley, R.W., W.W. Chadwick, Jr., M.R. Perfit, M.C. Smith, and J.R. Delaney (2000): Recent eruptions on the CoAxial Segment of the Juan de Fuca Ridge: Implications for mid-ocean ridge accretion processes. J. Geophys. Res., 105(B7), 16,501–16,526, doi: 10.1029/2000JB900030. [Full Text]

Fiscal Year 1999

Cont. #: 2038

Chadwick, W.W., T. Gregg, and R.W. Embley (1999): Submarine lineated sheet flows: A unique lava morphology formed on subsiding lava ponds. Bull. Volcanol., 61, 194–206, doi: 10.1007/s004450050271.

Cont. #: 1875

Chadwick, Jr., W.W., R.W. Embley, and T.M. Shank (1998): The 1996 Gorda Ridge eruption: Geologic mapping, sidescan sonar, and SeaBeam comparison results. Deep-Sea Res. Pt. II, 45(12), 2547–2569, doi: 10.1016/S0967-0645(98)00083-6.

Cont. #: 1957

Perfit, M.R., and W.W. Chadwick, Jr. (1998): Magmatism at mid-ocean ridges: Constraints from volcanological and geochemical investigations. Geophysical Monograph 106, 59–115, doi: 10.1029/GM106p0059, In Faulting and Magmatism at Mid-Ocean Ridges, W.R. Buck, P. Delaney, J.A. Karson, and Y. Lagabrielle (eds.), AGU, Washington, D.C.

Fiscal Year 1998

Cont. #: 1845

Chadwick, Jr., W.W., and R.W. Embley (1998): Graben formation associated with recent dike intrusions and volcanic eruptions on the mid-ocean ridge. J. Geophys. Res., 103(B5), 9807–9825, doi: 10.1029/97JB02485.

Fiscal Year 1997

Cont. #: 1899

Chadwick, Jr., W.W. (1997): Is the "Axial Summit Caldera" on the East Pacific Rise really a "graben"? RIDGE Events, 8(1), January 1997, 8–11.

Cont. #: 1760

Gregg, T.K.P., and W.W. Chadwick, Jr. (1996): Submarine lava-flow inflation: A model for the formation of lava pillars. Geology, 24(11), 981–984, doi: 10.1130/0091-7613(1996)024<0981:SLFIAM>2.3.CO;2.

Fiscal Year 1996

Cont. #: 1688

Dziak, R.P., C.G. Fox, R.W. Embley, J.E. Lupton, G.C. Johnson, W.W. Chadwick, and R.A. Koski (1996): Detection of and response to a probable volcanogenic T-wave event swarm on the western Blanco Transform Fault Zone. Geophys. Res. Lett., 23(8), 873–876, doi: 10.1029/96GL00240.

Fiscal Year 1995

Cont. #: 1711

Chadwick, Jr., W.W., and J.H. Dieterich (1995): Mechanical modeling of circumferential and radial dike intrusion on Galapagos volcanoes. J. Volcanol. Geoth. Res., 66, 37–52, doi: 10.1016/0377-0273(94)00060-T.

Cont. #: 1533

Chadwick, Jr., W.W., R.W. Embley, and C.G. Fox (1995): SeaBeam depth changes associated with recent lava flows, CoAxial segment, Juan de Fuca Ridge: Evidence for multiple eruptions between 1981–1993. Geophys. Res. Lett., 22(2), 167–170, doi: 10.1029/94GL01895.

Cont. #: 1631

Chadwick, Jr., W.W., H. Milburn, and R. Embley (1995): Acoustic extensometer: A new instrument array to measure seafloor spreading at mid-ocean ridges. Sea Technol., 36(4), 33–38.

Cont. #: 1532

Embley, R.W., W.W. Chadwick, Jr., I.R. Jonasson, D.A. Butterfield, and E.T. Baker (1995): Initial results of a rapid response to the 1993 CoAxial event: Relationships between hydrothermal and volcanic processes. Geophys. Res. Lett., 22(2), 143–146, doi: 10.1029/94GL02281.

Cont. #: 1712

Moore, J.G., and W.W. Chadwick, Jr. (1995): Offshore geology of Mauna Loa and adjacent areas, Hawaii. Geophysical Monograph 92, 21–44, doi: 10.1029/GM092p0021, In Mauna Loa Revealed: Structure, Composition, History, and Hazards, J.M. Rhodes, and J.P. Lockwood (eds.), AGU, Washington, D.C.

Fiscal Year 1994

Cont. #: 1424

Chadwick, Jr., W.W., and R.W. Embley (1994): Lava flows from a mid-1980s submarine eruption on the Cleft Segment, Juan de Fuca Ridge. J. Geophys. Res., 99(B3), 4761–4776, doi: 10.1029/93JB02041.

Cont. #: 1716

Chadwick, Jr., W.W., J.G. Moore, and C.G. Fox (1994): Bathymetry of the southwest flank of Mauna Loa volcano, Hawaii. Miscellaneous Field Studies Map MF-2255, U.S. Geological Survey.

Cont. #: 1717

Chadwick, Jr., W.W., J.G. Moore, and C.G. Fox (1994): Bathymetry of the west-central slope of the island of Hawaii. Miscellaneous Field Studies Map MF-2269, U.S. Geological Survey.

Cont. #: 1718

Clague, D.A., K.A. Hon, J.L. Anderson, W.W. Chadwick, Jr., and C.G. Fox (1994): Bathymetry of Puna Ridge, Kilauea volcano, Hawaii. Miscellaneous Field Studies Map MF-2237, U.S. Geological Survey.

Cont. #: 1429

Embley, R.W., and W.W. Chadwick, Jr. (1994): Volcanic and hydrothermal processes associated with a recent phase of seafloor spreading at the northern Cleft segment: Juan de Fuca Ridge. J. Geophys. Res., 99(B3), 4741–4760, doi: 10.1029/93JB02038. [Full Text]

Cont. #: 1466

Meinig, C., H. Milburn, R. Newman, and W. Chadwick (1993): Acoustic Extensometer: A precise low-cost array for horizontal deformation monitoring on the sea floor. In Oceans '93, Engineering in Harmony with the Ocean, Proceedings, Vol. II, Victoria, B.C., Canada, 18–21 October 1993, 117–121.

Fiscal Year 1993

Cont. #: 1714

Chadwick, Jr., W.W., J.G. Moore, M.O. Garcia, and C.G. Fox (1993): Bathymetry of southern Mauna Loa volcano, Hawaii. Miscellaneous Field Studies Map MF-2233, U.S. Geological Survey.

Cont. #: 1715

Chadwick, Jr., W.W., J.R. Smith, J.G. Moore, D.A. Clague, M.O. Garcia, and C.G. Fox (1993): Bathymetry of the south flank of Kilauea volcano, Hawaii. Miscellaneous Field Studies Map MF-2231, U.S. Geological Survey.

Fiscal Year 1992

Cont. #: 1333

Fox, C.G., W.W. Chadwick, Jr., and R.W. Embley (1992): Detection of changes in ridge-crest morphology using repeated multibeam sonar surveys. J. Geophys. Res., 97(B7), 11,149–11,162, doi: 10.1029/92JB00601.

Fiscal Year 1991

Cont. #: 1709

Chadwick, Jr., W.W., T. De Roy, and A. Carrasco (1991): The September 1988 intracaldera avalanche and eruption at Fernandina volcano, Galapagos Islands. Bull. Volcanol., 53, 276–286, doi: 10.1007/BF00414524.

Cont. #: 1260

Chadwick, Jr., W.W., R.W. Embley, and C.G. Fox (1991): Evidence for volcanic eruption on the southern Juan de Fuca ridge between 1981 and 1987. Nature, 350, 416–418, doi: 10.1038/350416a0. [Full Text]

Cont. #: 1710

Chadwick, Jr., W.W., and K.A. Howard (1991): The pattern of circumferential and radial eruptive fissures on the volcanoes of Fernandina and Isabela Islands, Galapagos. Bull. Volcanol., 53, 259–275, doi: 10.1007/BF00414523.

Cont. #: 1270

Embley, R.W., W. Chadwick, M.R. Perfit, and E.T. Baker (1991): Geology of the northern Cleft segment, Juan de Fuca Ridge: Recent lava flows, seafloor spreading, and the formation of megaplumes. Geology, 19(8), 771–775, doi: 10.1130/0091-7613(1991)019<0771:GOTNCS>2.3.CO;2.