Bill Chadwick: Publications

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, Q02002, doi:02010.01029/02008GC002315.

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.

Chadwick, W. W., Jr., K. V. Cashman, R. W. Embley, H. Matsumoto, R. P. Dziak, C. E. J. de Ronde, T.-K. Lau, N. 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.

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.
Chadwick, W. W., Jr., 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:10010.11029/12008GC002113.

Chadwick, W. W., Jr., 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:10010.11029/12008GC002113.

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.

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.

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.

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

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, 1047-1061.

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. Nakamura, V. Tunnicliffe, J. Dower, and S. G. Merle (2007), Exploring the Submarine Ring of Fire: Mariana Arc - Western Pacific, Oceanography, 20(4), 69-80.

Chadwick, W.W., Jr., A submarine volcano is caught in the act, Science, 314, 1887-1888, 2006. [PDF]

Chadwick, W.W., Jr., D.J. Geist, S. Jónsson, M. Poland, D.J. Johnson, and C.M. Meertens, A volcano bursting at the seams: Inflation, faulting, and eruption at Sierra Negra Volcano, Galápagos, Geology, 34 (12), 1025-1028, 2006. [PDF]

Lupton, J.E., Butterfield, D.A., Lilley, M., Evans, L., Nakamura, K., Chadwick, W.W., Jr., Resing, J., Embley, R.W., Olson, E., Proskurowski, G., Baker, E., De Ronde, C.E.J., Roe, K.K., Lebon, G.T., and Young, C., 2006, Submarine venting of liquid carbon dioxide on a Mariana arc volcano: Geochemistry Geophysics Geosystems, v. 7, p. Q08007, doi:10.1029/2005GC001152. [PDF]

Embley, R.W., Chadwick, W.W., Jr., Baker, E.T., Butterfield, D.A., Resing, J.A., De Ronde, C.E.J., Tunnicliffe, V., Lupton, J.E., Juniper, K.S., Rubin, K.H., Stern, R.J., Lebon, G.T., Nakamura, K., Merle, S.G., Hein, J.R., Wiens, D.P., and Tamura, Y., 2006, Long-term eruptive activity at a submarine arc volcano: Nature, 441, 494-497. [PDF]

Chadwick, W.W., Jr., S. Nooner, M. Zumberge, R.W. Embley, and C.G. Fox, Vertical deformation monitoring at Axial Seamount since its 1998 eruption using deep-sea pressure sensors, J. Volcanol. Geotherm. Res., 150, 313-327, 2006. [PDF]

Geist, D., W.W. Chadwick, D.J. Johnson, Results from new GPS and gravity monitoring networks at Fernandina and Sierra Negra volcanoes, Galapagos, 2000-2003, J. Volcanol. Geotherm. Res., 150, 79-97, 2006. [PDF]

Dziak, R.P., J. Cowen, E.T. Baker, D. Bohnenstiehl, W.W. Chadwick, Jr., J.A. Resing, and R.W. Embley, Detecting volcanic events in the northeast Pacific, Eos Trans. AGU, 87 (4), 37, 42, 2006.

Chadwick, W.W., Jr., R.W. Embley, P.D. Johnson, S.G. Merle, S. Ristau, and A. Bobbitt, The Submarine Flanks of Anatahan Volcano, Commonwealth of the Northern Mariana Islands, J. Volcanol. Geotherm. Res., 146, 8-25, 2005. [PDF]

D. John Chadwick, M.R. Perfit, W.I. Ridley, I.R. Jonasson, G. Kamenov, W.W. Chadwick, Jr., R.W. Embley, P. Le Roux, and M.C. Smith, Magmatic effects of the Cobb Hotspot on the Juan de Fuca Ridge, J. Geophys. Res., 110, B03101, doi:10.1029/2003JB002767, 2004. [PDF]

Embley, R.W., E.T. Baker, W.W. Chadwick, Jr., J.E. Lupton, J.A. Resing, G.J. Massoth, and K. Nakamura, Explorations of Mariana Arc Volcanoes Reveal New Hydrothermal Systems, Eos Trans. AGU, 85 (4), 37, 40, 2004. [PDF]

Chadwick, W.W., Jr., Quantitative constraints on the growth of submarine lava pillars from a monitoring instrument that was caught in a lava flow, J. Geophys. Res., 108 (B11), 2534, 2003. [PDF]

Dziak, R. P., W. W. Chadwick, Jr., C. G. Fox, and R. W. Embley, Hydrothermal temperature changes at the southern Juan de Fuca Ridge associated with a Mw 6.2 Blanco Transform earthquake, Geology, 31, 119-122, 2003. [PDF]

Chadwick, W. W., Jr. and M. Stapp, 2002, A deep-sea observatory experiment using acoustic extensometers: Precise horizontal distance measurements across a mid-ocean ridge, IEEE Journal of Oceanic Engineering (Special Issue on Ocean Observatories), v.27, n. 2, p. 193-201.

Fox, C. G., Chadwick, W. W., Jr., and Embley, R. W., 2001, Direct observation of a submarine volcanic eruption from a seafloor instrument caught in a lava flow, Nature, v. 412, p. 727-729. [PDF]

Chadwick, W. W., Jr., D. S. Scheirer, R. W. Embley, and H. P. Johnson, 2001, High-resolution bathymetric surveys using scanning sonars: Lava flow morphology, hydrothermal vents and geologic structure at recent eruption sites on the Juan de Fuca Ridge, Journal of Geophysical Research, v. 106, p. 16075-16100. [PDF]

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, Journal of Geophysical Research, v. 105, p. 16501-16525. [PDF]

Chadwick, W.W., Jr., Embley, R.W., Milburn, H.B., Meinig, C., Stapp, M., 1999, Evidence for deformation associated with the 1998 eruption of Axial Volcano, Juan de Fuca Ridge, from acoustic extensometer measurements, Geophysical Research Letters, v. 26, p. 3441-3444. [PDF]

Embley, R. W., W. W. Chadwick, Jr., D. Clague, and D. Stakes, 1999, The 1998 Eruption of Axial Volcano: Multibeam anomalies and seafloor observations, Geophysical Research Letters, v. 26, p. 3425-3428. [PDF]

Chadwick, W. W., Jr., T. K. P. Gregg, and R. W. Embley, 1999, Submarine lineated sheet flows: A unique lava morphology formed on subsiding lava ponds: Bulletin of Volcanology, v. 61, p. 194-206. [PDF]

Chadwick, W. W., Jr., Embley, R. W., and Shank, T.M., 1998, The 1996 Gorda Ridge eruption: Geologic mapping, sidescan sonar, and SeaBeam comparison results, Deep-Sea Research II, v. 45, p. 2547-2570. [PDF]

Perfit, M. R., and W. W. Chadwick, Jr., Magmatism at mid-ocean ridges: Constraints from volcanological and geochemical investigations, in Faulting and Magmatism at Mid-Ocean Ridges, Geophys. Monograph 106, edited by W. R. Buck, et al., pp. 59-116, American Geophysical Union, Washington, DC, 1998.

Chadwick, W. W., Jr. and Embley, R. W., 1998, Graben formation associated with recent dike intrusions and volcanic eruptions on the mid-ocean ridge: Journal of Geophysical Research, v. 103, p. 9807-9825. [PDF]

Gregg, T. K. P., and Chadwick, W. W., Jr., 1996, Submarine lava-flow inflation: A model for the formation of lava pillars: Geology, v. 24, p. 981-984.

Dziak, R. P., Fox, C. G., Embley, R.W., Lupton, J.E., Johnson, G., Chadwick, W. W., Jr., Koski, R.A., 1996, Detection of and response to a probable volcanogenic T-wave event swarm on the western Blanco Transform Fault Zone: Geophysical Research Letters, v. 23, p. 873-876. [PDF]

Moore, J. G., and Chadwick, W. W., Jr., 1995, Offshore geology of Mauna Loa and adjacent areas, Hawaii, in Mauna Loa Revealed: Structure, Composition, History, and Hazards, Geophysical Monograph 92, edited by J. M. Rhodes and J. P. Lockwood, pp. 21-44, American Geophysical Union, Washington, DC.

Chadwick, W. W., Jr., and Dieterich, J. H., 1995, Mechanical modeling of circumferential and radial diking on Galapagos volcanoes: Journal of Volcanology and Geothermal Research, v. 66, p. 37-52. [PDF]

Chadwick, W. W., Jr., Milburn, H. B., and Embley, R. W., 1995, Acoustic extensometer: measuring mid-ocean spreading: Sea Technology, v. 36, p. 33-38.

Chadwick, W. W., Jr., Embley, R. W., and Fox, C.G., 1995, SeaBeam depth changes associated with recent lava flows, CoAxial segment, Juan de Fuca Ridge: Evidence for multiple eruptions between 1981-1993: Geophysical Research Letters, v. 22, p. 167-170. [PDF]

Embley, R. W., Chadwick, W. W., Jr., Jonasson, I. R., Butterfield, D. A., and Baker, E. T., 1995, Initial results of the rapid response to the 1993 CoAxial event: Relationships between hydrothermal and volcanic processes: Geophysical Research Letters, v. 22, p. 143-146. [PDF]

Chadwick, W. W., Jr., and Embley, R. W., 1994, Lava flows from a mid-1980s submarine eruption on the Cleft Segment, Juan de Fuca Ridge: Journal of Geophysical Research, v. 99, p. 4761-4776. [PDF]

Embley, R. W., and Chadwick, W. W., Jr., 1994, Volcanic and hydrothermal processes associated with a recent phase of seafloor spreading at the northern Cleft segment: Juan de Fuca Ridge: Journal of Geophysical Research, v. 99, p. 4741-4760. [PDF]

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

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

Meinig, C., Milburn, H., Newman, R., and Chadwick, W., 1993, Acoustic Extensometer: A precise low-cost array for horizontal deformation monitoring on the seafloor, Proceedings of Oceans '93: Engineering in harmony with the ocean, Victoria, B.C., Canada, IEEE, v. 2, p. 117-121.

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

Chadwick, W. W., Jr., Smith, J. R., and others, 1993, Bathymetry of the south flank of Kilauea volcano, Hawaii, U.S. Geological Survey, Miscellaneous Field Studies Map MF-2231.

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

Fox, C. G., Chadwick, W. W., Jr., and Embley, R. W., 1992, Detection of changes in ridge-crest morphology using repeated multibeam sonar surveys, Journal of Geophysical Research, v. 97, p. 11149-11162.

Chadwick, W. W., Jr., Embley, R. W., and Fox, C. G., 1991, Evidence for volcanic eruption on the southern Juan de Fuca Ridge between 1981 and 1987: Nature, v. 350, p. 416-418.

Embley, R. W., Chadwick, W. W., Jr., Perfit, M. R., and Baker, E. T., 1991, Geology of the northern Cleft Segment, Juan de Fuca Ridge: recent eruptions, seafloor spreading, and the formation of megaplumes: Geology, v. 19, p. 771-775.

Chadwick, W. W., Jr., and Howard, K. A., 1991, The pattern of circumferential and radial eruptive fissures on the volcanoes of Fernandina and Isabela Islands, Galapagos: Bulletin of Volcanology, v. 53, p. 259-275.

Chadwick, W. W., Jr., De Roy, T., and Carrasco, A., 1991, The September 1988 intra-caldera avalanche and eruption at Fernandina volcano, Galapagos Islands: Bulletin of Volcanology, v. 53, p. 276-286.

Chadwick, W.W., Jr. and Swanson, D. A., 1989, Thrust faults and related structures in the crater floor of Mount St. Helens volcano, Washington: Geological Society of America Bulletin, v. 101, 1507-1519.

Chadwick, W.W., Jr., Archuleta, R.J., and Swanson, D.A., 1988, The mechanics of ground deformation precursory to dome building extrusions at Mount St. Helens: 1981-1982: Journal of Geophysical Research, v. 93, p. 4351-4366.

Swanson, D.A., Dzurisin, D. Holcomb, R.T., Iwatsubo, E.Y., Chadwick, W.W., Jr., Casadevall, T.J., Ewert, J.W., Heliker, C.C., 1987, Growth of the lava dome at Mount St. Helens, Washington 1981-1983: Geological Society of America Special Paper 212, p. 1-16.

Chadwick, W.W., Jr., Iwatsubo, E.Y., Swanson, D.A., Ewert, J.W., 1985, Measurements of slope distance and vertical angles at Mount Baker and Mount Rainier, Washington, Mount Hood and Crater Lake, Oregon, and Mount Shasta and Lassen Peak, California, 1980-84: U.S. Geological Survey Open File Report 85-205, 95 p.

Scott, B.J. and Chadwick, W.W., Jr., 1983, Lake Rotomahana triangulation and strain monitoring pattern site report (Tarawera volcanic complex, New Zealand): DSIR, New Zealand Geological Survey, Earth Deformation Section, Report 88, 15 pp.

Chadwick, W.W., Jr., Swanson, D.A., Iwatsubo, E. Y., Heliker, C.C., and Leighley, T.A., 1983, Deformation monitoring at Mount St. Helens in 1981 and 1982: Science, v.221, p.1378-80.