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Abstracts & Reports

  1. Aufrère, S., Williams-Jones, G., Russell, J.K., Morgan, D., Moune, S., Vigouroux, N. (2023) Phenocryst time-capsules to constrain magmatic processes at Mount Meager volcano, British Columbia, Canada. IAVCEI General Assembly.
  2. Calahorrano-Di Patre, A., Gaunt, E., Williams-Jones, G., Ruiz, M., Amelung, F., La Femina, P., Battaglia, M. (2023) Geodetic constraints on mass loss and magmatic recharge at Sierra Negra Caldera, Ecuador. IAVCEI General Assembly.
  3. Calahorrano-Di Patre, A., Williams-Jones, G. (2023) Bouguer gravity studies of volcanic centres in the Garibaldi Volcanic Belt, British Columbia, Canada – Characterizing geothermal resources. IAVCEI General Assembly.
  4. Coughlan, B., Sampaleanu, C., Williams-Jones, G., Stead, D. (2023) Rockfall instability on high granitic domes: The Stawamus Chief, B.C., Canada. 5th International ISRM Congress 2023.
  5. Jones, T.J., Le Moigne, Y., Russell, J.K., Williams-Jones, G., Giordano, D., Dingwell, D.B. (2023) The formation of inflated pyroclasts during explosive mafic eruptions. IAVCEI General Assembly.
  6. Le Moigne, Y., Williams-Jones, G., Zurek, J.M.Aufrère, S. (2023) Remote mapping of basaltic lava flow morphologies using LiDAR: Preliminary results from the Tseax lava flow, British Columbia, Canada. IAVCEI General Assembly.
  7. Pan, Y.Y., Williams-Jones, G., Kelman, M., van der Flier-Keller, E. (2023) Initiating Volcanic Hazards Communication and Education in Dormant Volcano-Rich Regions -A Case Study in southwestern British Columbia, Canada. IAVCEI General Assembly.
  8. Venugopal, S., Moune, S., Christopher, T., Williams-Jones, G., Joseph, E. (2023) Signatures of sediment input and mantle heterogeneity recorded in melt inclusions from the Lesser Antilles. IAVCEI General Assembly.
  9. Walsh, B., Calahorrano-Di Patre, A., Andrade, D., Williams-Jones, G. (2023) Constraining mass flow properties with gravimeters: Implications for mass flow modeling and monitoring. IAVCEI General Assembly
  10. Harris, M., Russell, J.K.,Muhammad, M.Williams-Jones, G. (2022) Mount Meager Volcanic Complex, Garibaldi Volcanic Belt, British Columbia: expanded bedrock map including Cracked Mountain, north Lillooet Ridge, and west Mount Meager. Geological Survey of Canada Open File 8881, 1 sheet, doi: 10.4095/329886.
  11. Calahorrano-Di Patre, A., Williams-Jones, G. (2022) Gravity surveys to delineate deep volcanic plumbing: Mt Meager and Mt Cayley, BC. Geothermal Potential of Volcanic Belts, Geoscience BC Workshop 2022.
  12. Muhammad, M.Williams-Jones, G. (2022) Mount Meager Volcanic Complex Fault system: Knowns and Unknowns. Geothermal Potential of Volcanic Belts, Geoscience BC Workshop 2022.
  13. Walsh, B., Lormand, C., Procter, J., Williams-Jones, G. (2022) Insights into the evolution of mass flow dynamics from the seismic analysis of the 18 March 2007 Mt. Ruapehu, New Zealand lake-breakout lahar. EGU General Assembly 2022.
  14. Bahreyni, B., Ferguson, P., Liu, Y., Maghoul, P., Williams-Jones, G. (2021) High Resolution Geophysical Characterization of the Lunar Subsurface. 2021 Canadian Lunar Workshop, online.
  15. Calahorrano-Di Patre, A., Williams-Jones, G., Battaglia, M., La Femina, P., Amelung, F., Gaunt, H.E., Witter, J., Ruiz, M.C. (2021) Cyclic mass change at Sierra Negra caldera: Geodetic insights into 2005 and 2018 pre and post eruptive magmatic processes. EOS Trans. AGU, Fall Meet., Suppl.
  16. Pan, Y.-Y., Williams-Jones, G., van der Flier-Keller, E. (2021) How to communicate? - Evaluation of different communication methods for natural hazard information. EOS Trans. AGU, Fall Meet., Suppl.
  17. Unnsteinsson, T., Flowers, G., Williams-Jones, G. (2021) Modelling the formation and evolution of glaciovolcanic caves and chimneys. EGU General Assembly 2021, online, 19–30 Apr 2021, EGU21-6821, doi: 10.5194/egusphere-egu21-6821, 2021.
  18. Venugopal, S., Williams-Jones, G., Moune, S. (2021) From source to surface: Integrating pre-eruptive volatile contents from melt inclusions and their vapor bubbles with volcanic gas emissions, Mt. Meager, British Columbia, Canada. EOS Trans. AGU, Fall Meet., Suppl., Invited.
  19. Williams-Jones, G. (2021) Volcano gravimetry – insights from past successes and future opportunities. IAG workshop, Novel Sensors and Quantum Technology for Geodesy, Belgium - Online, Invited.
  20. Grasby, S.E., Ansari, S.M., Calahorrano-Di Patre, A., Chen, Z., Craven, J.A., Dettmer, J., Gilbert, H., Hanneson, C., Harris, M., Liu, J., Muhammad, M., Russell, K., Salvage, R.O. Savard, G. Tschirhart, V., Unsworth, M.J., Vigouroux, N. & Williams-Jones, G. (2020) Geothermal resource potential of the Garibaldi volcanic belt, southwestern British Columbia (part of NTS 092J). in Geoscience BC Summary of Activities 2018 - Energy and Water, Geoscience BC, Report 2020-02, 103–108.
  21. Unnsteinsson, T., Flowers, G., Williams-Jones, G. (2021) An analytical approach to understanding the morphologies of glaciovolcanic caves and chimneys. EOS. Trans. AGU, Fall Meet. Suppl., online, doi: 10.1002/essoar.10505976.1.
  22. Dettmer, J., Gilbert, H.J., Grasby, S.E., Paitz, P., Fichtner, A., Flowers, G.E. & Williams-Jones, G. (2019) A distributed acoustic sensing and geophone array to study the Mt. Meager Volcano. American Geophysical Union Fall Meeting, San Francisco, USA.
  23. Le Moigne, Y., Zurek, J.M., Williams-Jones, G., Lev, E. & Calahorrano-Di Patre, A. (2019) Hydraulic jumps in high speed channelised lava flows - Constraining eruption flux and viscosity. IUGG General Assembly, Montreal, Canada.
  24. Venugopal, S., Schiavi, F., Bolfan-Casanova, N., Moune, S., Williams-Jones, G. & Druitt, T. (2019) The homogenization myth: The behaviour of C- and S- bearing species in shrinkage bubbles before and after melt inclusion reheating. IUGG General Assembly, Montreal, Canada.
  25. Vigouroux, N., Williams-Jones, G., Berlo, K., van Hinsberg, V. & Williams-Jones, A.E. (2019) Integrated geochemical modeling of magmatic degassing and hydrothermal interaction at Kawah Ijen volcano, Indonesia. IUGG General Assembly, Montreal, Canada.
  26. Warwick, R., Williams-Jones, G., Witter, J., & Kelman, M.C. (2019) Comprehensive Volcanic-Hazard Map for Mount Meager Volcano, Southwestern British Columbia (Part of NTS 092J), in Geoscience BC Summary of Activities 2018 - Energy and Water, Geoscience BC, Report 2019-2, 85-94.
  27. Bennington, N.L., Thurber, C.H., Wespestad, C., Cardona Sr, C., Vanderhoof, B., Zeng, X, Lanza, F., Williams-Jones, G., Miller, C., Keranen, K.M. & Singer, B.S. (2018) Understanding the rhyolitic magma system beneath Laguna del Maule, Chile: A Seismic Investigation. American Geophysical Union Chapman conference, Quinamavida, Maule Region, Chile. Invited.
  28. Calahorrano-Di Patre, A., Williams-Jones, G., Battaglia, M., Ruiz, M. & Witter, J. (2018) Gravity monitoring at Cotopaxi volcano, Ecuador: Challenges, results, and future plans. Resources for Future Generations, Vancouver, BC, Canada.
  29. Calahorrano-Di Patre, A., Williams-Jones, G., Battaglia, M., Gaunt, E., Aguaiza, S., Mejia, M., Mothes, P., Ruiz, M. & Witter, J. (2018) Hydrothermal system variations due to a shallow magmatic source as detected by gravity changes at Cotopaxi volcano, Ecuador. Cities on Volcanoes 10, IAVCEI, Naples, Italy.
  30. Caravantes, G., Rymer, H., Williams-Jones, G., Johnston-Jewell, D., Dugal, M., McGovern, M., GEOARC Team & UNRESP Team (2018) Sustainable research on a Central American volcano. EGU General Assembly, Vienna, Austria.
  31. Keranen, K.M., Peterson, D.E., Lara, L., Miller, C., Garibaldi, N., Tikoff, B., Williams-Jones, G. & Tassara, A. (2018) Fault Accommodated Magmatic Localization Beneath Laguna del Maule. American Geophysical Union Chapman conference, Quinamavida, Maule Region, Chile. Invited.
  32. Le Moigne, Y., Williams-Jones, G., Kelfoun, K., Labazuy, P., Vigouroux, N. & Russell, J.K. (2018) Investigating Canada’s deadliest volcanic eruption: from field observations to lava flow modeling. Cities on Volcanoes 10, IAVCEI, Naples, Italy.
  33. Miller, C.A., Currenti, G.M., Hamling, I.J. & Williams-Jones, G. (2018) Mass transfer processes in a post eruption hydrothermal system: parameterisation of microgravity changes at Te Maari craters, New Zealand. American Geophysical Union Fall meeting, Washington, D.C.
  34. Miller, C.A., Williams-Jones, G., Le Mével, H., Currenti, G.M. & Tikoff, B. (2018) A Shallow Magma Reservoir at Laguna del Maule Volcanic Field, and its Influence on Regional Fault Structures: Insights from Static and Time-Varying Gravity Models. American Geophysical Union Chapman conference, Quinamavida, Maule Region, Chile.
  35. Roberti, G., van Wyk de Vries, B., Ward, B., Le Corvec, N., Williams-Jones, G., Clague, J.J., Falorni, G., Menounos, B., Friele, P., Perotti, G., Giardino, M., Baldeon, G. & Venugopal, S. (2018) Hazards posed by large mass movements at Mount Meager volcano, Canada. EGU General Assembly, Vienna, Austria.
  36. Roberti, G., Le Corvec, N., van Wyk de Vries, B., Ward, B.C., Venugopal, S., Williams-Jones, G., Clague, J.J., Friele, P., Falorni, G., Baldeon, G., Perotti, G., Giardino, M., & Menounos, B. (2018) Can large landslides trigger volcanic eruptions? Insights from Mount Meager, British Columbia. EGU General Assembly, Vienna, Austria.
  37. Venugopal, S., Moune, S., Williams-Jones, G., Wilson, A., Druitt, T. & Russell, J.K. (2018) Along arc variations in magma source beneath the Garibaldi Volcanic Belt. EGU General Assembly, Vienna, Austria.
  38. Warwick, R., Williams-Jones, G., Kelman, M. & Witter, J. (2018) Mt Meager Volcanic Complex, BC – Towards a comprehensive Geohazard Map. Resources for Future Generations, Vancouver, BC, Canada.
  39. Warwick, R., Williams-Jones, G., Kelman, M. & Witter, J. (2018) A scenario-based approach for assessing volcanic hazards at the Mt. Meager Volcanic Complex, B.C. Cities on Volcanoes 10, IAVCEI, Naples, Italy.
  40. Williams-Jones, G., Johnston-Jewell, D., Caravantes, G., Dugal, M., McGovern, M., Moune, S., Gauthier, P.-J., Witter, J. & GEOARC Team (2018) The Lava Lake Laboratory, Masaya volcano, Nicaragua – A new approach to Extreme Science. Resources for Future Generations, Vancouver, BC, Canada.
  41. Williams-Jones, G. & Battaglia, M. (2018) 4D gravity-geodesy – An integral part of comprehensive monitoring and modelling of large silicic magmatic systems. American Geophysical Union Chapman conference, Quinamavida, Maule Region, Chile. Invited.
  42. Zurek, J.M., Moune, S. & Williams-Jones, G. (2018) Las Sierras-Masaya volcano, Nicaragua - A structurally dynamic yet chemically stable system. Resources for Future Generations, Vancouver, BC, Canada.
  43. Zurek, J.M., Williams-Jones, G. & Lépine, I. (2018) Value-added geophysical exploration methodologies for kimberlite clusters. AME Roundup 2018, Vancouver, BC, Canada.
  44. Calahorrano-Di Patre, A., Williams-Jones, G., Battaglia, M., Mothes, P., Hidalgo, S., Aguaiza, S., Mejia, F., Gaunt, H. & Ruiz, M. (2017) Linking gravity change at Cotopaxi volcano with the volcanic processes responsible for the 2015-2016 unrest period. IAVCEI, Portland, USA.
  45. Harrington, E. & Williams-Jones, G. (2017) Preliminary thermoreological modeling of silicate melts in Venusian canali. 48th LPSC.
  46. Le Moigne, Y., Williams-Jones, G., Kelfoun, K., Labazuy, P., Vigouroux, N. & Russell, J.K. (2017) Investigating and modeling Canada's deadliest volcanic eruption. IAVCEI, Portland, USA.
  47. Miller, C.A., Williams-Jones, G., Fournier, D. & Witter, J. (2017) 3D gravity inversion and thermodynamic modelling reveal properties of shallow silicic magma reservoir beneath Laguna del Maule, Chile. IAVCEI, Portland, USA.
  48. Murray, J., Caravantes-Gonzales, G., Rymer, H., Williams-Jones, G. &Ferrucci, F. (2017) Recent inflation at Masaya volcano, Nicaragua. IAVCEI, Portland, USA.
  49. Reid, K., Rymer, H., Blake, S., Williams-Jones, G. & Murray, J. (2017) A detailed anatomy of the current degassing cycle at Masaya volcano, Nicaragua. IAVCEI, Portland, USA.
  50. Rymer, H., Murray, J., Williams-Jones, G., Caravantes-Gonzales, G., Reid, K., Zurek, J.M. & Delmelle, P. (2017) Precursors to the current activity at Masaya volcano, Nicaragua. IAVCEI, Portland, USA.
  51. Venugopal, S., Moune, S., Williams-Jones, G., Wilson, A. & Russell, J.K. (2017) Gas emissions and magma source of the Mount Meager Volcanic Complex, Garibaldi Volcanic Belt, BC. IAVCEI, Portland, USA.
  52. Williams-Jones, G. (2017) Meager Mumblings - The hazards and status of the Mt. Meager Volcanic Complex. Engineers & Geoscientists British Columbia 2017 Annual Conference, Whistler, British Columbia. Invited talk.
  53. Zurek, J.M., Williams-Jones, G. & Lépine, I. (2017) Geologically-constrained geophysical inversions of the Renard kimberlite pipes, northern Québec, Canada. IAVCEI, Portland, USA.
  54. Calahorrano-Di Patre, A., Aguaiza, S., Mejia, F., Mothes, P., Hidalgo, S., Hernandez, S., Ruiz, M. & Williams-Jones, G. (2016) Gravity Monitoring at Cotopaxi Volcano during the 2015-2016 Unrest Period. Cities on Volcanoes 9, IAVCEI.
  55. Dewit, M.J., Hedley, N., Williams-Jones, G. & Stead, D. (2016) Up Close with Virtual Rock Outcrops: Geovisualization of a remotely sensed field site. 5th Canadian Young Geotechnical Engineers and Geoscientists Conference, Whistler, BC.
  56. Miller, C.A., Williams-Jones, G., Fournier, D. & Witter, J. (2016) 3D gravity inversion and thermodynamic modelling reveal properties of shallow silicic magma reservoir beneath Laguna del Maule, Chile. Cities on Volcanoes 9, IAVCEI.
  57. Miller, C.A., Currenti, G., Williams-Jones, G., Le Mevel, H. & Tikoff, B. (2016) Evidence for present day magma - fault interaction from microgravity changes at Laguna del Maule volcanic field. Cities on Volcanoes 9, IAVCEI.
  58. Peterson, D.E, Miller, C.A., Garibaldi, N., Keranen, K.M., Tikoff, B. & Williams-Jones, G. (2016) Magma-tectonic Interaction at Laguna del Maule, Chile. Cities on Volcanoes 9, IAVCEI.
  59. Williams-Jones, G., Russell, J.K., Griffin, M., Le Moigne, Y., Warwick, R., Vigouroux, N. & Nyce, D. (2016) Integrating Indigenous knowledge and science - Characterising the eruptive history of Tseax volcano, British Columbia, Canada. Cities on Volcanoes 9, IAVCEI.
  60. Williams-Jones, G. (2016) End of an Arc: The Remarkable Life & Death of a Volcanic Arc: A Canada - France Research & Training Consortium. ERA-Can+ Public Policy Forum, SFU.
  61. Williams-Jones, G. (2016) Volcanism in British Columbia - The case of the Mount Meager Volcanic Complex. Emergency Preparedness and Business Continuity Conference, Vancouver, British Columbia.
  62. Dewit, M., Williams-Jones, G., Stead, D., Kremsater, R., So, M. & Francioni, M. (2015) Applications of Terrestrial Remote Sensing to Volcanic Rock Masses. EOS. Trans. AGU, Fall Meet. Suppl.
  63. Miller, C.A., Williams-Jones, G., Currenti, G. & Le Mével, H. (2015) Modelling Temporal and Spatial Variations in Gravimetric Data at Laguna del Maule, Chile. EOS. Trans. AGU, Fall Meet. Suppl.
  64. Venugopal, S., Moune, S. & Williams-Jones, G. (2015) Subsurface Connections and Magma Mixing as revealed by Olivine- and Pyroxene-Hosted Melt Inclusions from Cerro Negro Volcano and the Las Pilas-El Hoyo Complex, Nicaragua. EOS. Trans. AGU, Fall Meet. Suppl.
  65. Mauri,G., Saracco, G., Labazuy, P. & Williams-Jones, G. (2014) Monitoring depth variations in hydrothermal cells through MWT analysis of self-potential signals: Insights from the 1993-2008 eruptive cycle of Piton de la Fournaise volcano, La Réunion. GSA Annual Meeting, Vancouver, Canada, 46, 6.
  66. Miller, C.A., Williams-Jones, G., Le Mével, H. & Tikoff, B. (2014) Widespread gravity changes at Laguna del Maule, Chile, accompanying rapid uplift. GSA Annual Meeting, Vancouver, Canada, 46, 6.
  67. Dewit, M.J., Williams-Jones, G., &Vigouroux, N. (2014) The geothermal potential of Nazko Cone, British Columbia. GSA Annual Meeting, Vancouver, Canada, 46, 6.
  68. Zurek, J.M., Caravantes-Gonzalez, G., Williams-Jones, G. & Rymer, H. (2014) Imaging the magmatic system of Las Sierras-Masaya volcano, Nicaragua, using geophysical techniques. GSA Annual Meeting, Vancouver, Canada, 46, 6.
  69. Zurek, J.M., Moune, S., & Williams-Jones, G. (2014) Insights on volcanic evolution of Las Sierras-Masaya, Nicaragua, volcano by melt inclusions. GSA Annual Meeting, Vancouver, Canada, 46, 6.
  70. Miller, C.A., Williams-Jones, G., Le Mével, H. & Tikoff, B. (2014) Widespread gravity changes and CO2 degassing at Laguna Del Maule, Chile, accompanying rapid uplift. EOS. Trans. AGU, Fall Meet. Suppl.
  71. Le Mével, H., Cordova, L., Ali, T., Feigl, K., DeMets, C., Williams-Jones, G., Tikoff, B. & Singer, B. (2013) Unrest within a large rhyolitic magma system at Laguna del Maule volcanic field (Chile) from 2007 through 2013: geodetic measurements and numerical models. EOS. Trans. AGU, Fall Meet. Suppl.
  72. MacQueen, P.G., Williams-Jones, G., & Zurek, J.M. (2013) Gravity data reveals intimate connection between magma plumbing system and tectonics at Cerro Negro. PASI, Léon, Nicaragua.
  73. MacQueen, P.G., Williams-Jones, G., & Zurek, J.M. (2013) Geophysical Investigations of Cerro Negro Volcano, Nicaragua: Insights on magmatic plumbing systems. IAVCEI, Kagoshima, Japan.
  74. van Manen, S., Burson, B., Hinrichs, M., Williams-Jones, G. & Rymer, H. (2013) Examining the ecological impacts of persistent volcanic degassing at Masaya, Nicaragua, using multi-temporal MODIS NDVI and ground-based data. IAVCEI, Kagoshima, Japan.
  75. Zurek, J.M., Williams-Jones, G., & Trusdell, F. (2013) Investigating the formational mechanism of the Nīnole hills on Mauna Loa, Hawaii, through gravity surveys. IAVCEI, Kagoshima, Japan.
  76. MacQueen, P.G., Cashman, K.V., Poland, M.P., Schmidt, D.A. & Williams-Jones, G. (2012) Using forward modeling to optimize the geometry of geophysical networks at the summit of Kilauea volcano: A matter of great gravity, AGU Chapman conference, Hawaii, USA.
  77. Vigouroux, N., Williams-Jones, G., Rodriguez, C., Yehia, R., Bona, P. & Hickson, C. (2012) Development of the MultiGAS for determining fumarole gas chemistry in geothermal systems. Goldschmidt, Montreal.
  78. Williams-Jones, G. (2012) Big Bangs: Applying Geophysics to the Study of Active Volcanoes, 14th Annual Meeting NW Section American Physical Society, Vancouver, B.C., Invited Abstract.
  79. Zurek, J.M., Williams-Jones, G., Poland, M. & Dzurisin, D. (2012) Linking gravitational spreading and magma chamber growth through gravity studies, AGU Chapman conference, Hawaii, USA.
  80. Caravantes González, G., Zurek, J.M., Rymer, H., Locke, C., Cassidy, J. & Williams-Jones, G. (2011) Structural and geophysical study of Masaya Caldera, EGU General Assembly, Vienna.
  81. Feigl, K., Ali, S., Singer, B.S., Pesicek, J.D., Thurber, C.H., Jicha, B., Lara, L.E., Hildreth, E.W., Fierstein, J., Williams-Jones, G., Unsworth, M.J. & Keranen, K.M. (2011) Rapid uplift in Laguna del Maule volcanic field of the Andean Southern Volcanic Zone (Chile) measured by satellite radar interferometry. EOS. Trans. AGU, Fall Meeting Suppl.
  82. Zurek, J.M., Williams-Jones, G., Poland, M. & Dzurisin, D. (2011) The shallow magmatic plumbing system of Kïlauea, Hawaii, revealed through Bouguer gravity and total magnetic anomaly mapping. EOS. Trans. AGU, Fall Meeting Suppl.
  83. Williams-Jones, G. (2011) Muon Tomography in the N. Cascades, Canada: A case for imaging the Mt. Meager Volcanic Complex. International Workshop on High Energy Geophysics, Tokyo, Japan.
  84. Sorge, J., Williams-Jones, G., Wright, R. & Varley, N.R. (2010) Characterizing a decade of behavior at Volcan de Colima, Mexico using long term InSAR and thermal remote sensing data. EOS. Trans. AGU, Fall Meeting Suppl.
  85. Williams-Jones, G., Vigouroux, N., van Hinsberg, V. & Williams-Jones, A.E. (2010) Application of the MultiGAS Sensor to Geothermal Exploration and Monitoring: Comparison of Plume and Fumarole Gas Compositions at Kawah Ijen Volcano, Indonesia. EOS. Trans. AGU, Fall Meeting Suppl.
  86. Vigouroux, N., Williams-Jones, G., Berlo, K., van Hinsberg, V., Palmer, S., Scher, S., Williams-Jones, A.E. & Wallace, P. (2010) Integrated Geochemical Modelling of Magmatic Degassing and Hydrothermal Interaction: A case study from Kawah Ijen volcano, Indonesia. EOS. Trans. AGU, Fall Meeting Suppl.
  87. Mauri,G. and Williams-Jones, G. (2009) Structure and depth of the hydrothermal systems of Masaya volcano, Nicaragua. GSA, Portland, USA.
  88. Vigouroux, N., Williams-Jones, G., Williams-Jones, A.E. & Van Hinsberg, V.J. (2009) Tracking volatile ratios through the magmatic and hydrothermal system of Kawah Ijen volcano, Indonesia. GSA, Portland, USA.
  89. Williams-Jones, G., (2009) Continuous gravity monitoring of persistently active volcanoes: the hurdles and potential benefits. GSA, Portland, USA.
  90. Zurek, J.M., Williams-Jones, G., Dzurisin, D., Johnson, D. and Eggers, A. (2009) Constraining volcanic inflation at Three Sisters volcanic field through microgravity and deformation modeling. GSA, Portland, USA.
  91. van Hinsberg, V., Palmer, S., King, J., Williams-Jones, A.E., Vigouroux, N., Mauri,G., Williams-Jones, G., Susanto, A. and Nasution, A. (2009) Ijen (Indonesia): Visual, geochemical, and geophysical observations during mid-2008, Bulletin of the Global Volcanism Network, 34:02, Report.
  92. Mauri,G., Williams-Jones, G. & Saracco, G. (2008) Shallow magmatic and hydrothermal structure of Kawah Ijen volcano (Java, Indonesia). IAVCEI, Reykjavik, Iceland, Abstract 3-e P11.
  93. Mauri,G., Williams-Jones, G. & Saracco, G. (2008) Short term Dynamism of Masaya volcano, Nicaragua. IAVCEI, Reykjavik, Iceland, Abstract 2-c P02.
  94. Rymer, H., Gillman, M., Locke, C.A., Brenes, J., Martinez, M. & Williams-Jones, G. (2008) The environmental effects of persistent activity - a contrast between Poas and Masaya volcanoes. IAVCEI, Reykjavik, Iceland, Abstract 4-c P05.
  95. Rymer, H., Locke, C.A., Brenes, J., Martinez, M., Borgia, A., Williams-Jones, G., Van der Laat, R. (2008) Volcanic eruption prediction - 5 years before the event. IAVCEI, Reykjavik, Iceland, Abstract 2-b P15.
  96. Van Hinsberg,V.J., Williams-Jones, A.E., Mauri,G., Vigouroux, N., Williams-Jones, G., McKenzie, J., Palmer, S. & Nasution A. (2008) Studying the Kawah Ijen volcano-hydrothermal system - merits of an interdisciplinary approach. IAVCEI, Reykjavik, Iceland, Abstract 2-b P29.
  97. Vigouroux, N., Williams-Jones, G., Chadwick, W.W. and Geist, D. (2008) 4D gravity changes associated with the 2005 eruption of Sierra Negra volcano, Galapagos. IAVCEI, Reykjavik, Iceland, Abstract 2-c P01.
  98. Williams-Jones, G., Rymer, H., Mauri,G., Gottsmann, J., Poland, M. &Carbone, D. (2008) Towards continuous 4D microgravity monitoring of volcanoes, USGS 2008 Volcano Deformation and Gravity Workshop, Vancouver, Washington, Abstract
  99. Geist, D., Vigouroux, N., & Williams-Jones, G. (2007) Gravity Variations at a Dynamic Basaltic Caldera: Before and After the 2005 Eruption of Sierra Negra Volcano, Galapagos Islands. EOS. Trans. AGU, Fall Meeting Suppl.
  100. Hill, K.S., Crider, J.G. & Williams-Jones, G. (2007) Gravity increase observed at Mount Baker volcano, 1975-2006. Cordilleran Section - GSA, Bellingham, USA.
  101. Mann, C.P., Delgado Granados, H., Escobar Wolf, E., Durant, A., Girard, G. Calder, E., Domínguez, T., Roberge, R., Rose, W., Stix, J., Varley, N., Williams-Jones, G., Hernandez Javier, I., Salinas Sánchez, S. (2007) Earth Hazards Consortium: a novel approach to student education in geoscience. AGU Joint Assembly, Acapulco, Mexico, Invited Abstract.
  102. Poland, M., Crider, J.G. & Williams-Jones, G. (2007) Investigating the mechanism behind persistent degassing and thermal unrest at arc volcanoes: An example from Mount Baker, Washington. Cordilleran Section - GSA, Bellingham, USA.
  103. Mauri,G., Williams-Jones, G. & Saracco, G. (2007) Short-term dynamic behaviour of Masaya volcano by geophysical surveys. Cordilleran Section - GSA, Bellingham, USA.
  104. Mauri,G., Williams-Jones, G.Williams-Jones, A.E. & Mulyadi, D. (2007) Ijen (Indonesia): Acidic crater lake and active solfatara investigations. Bulletin of the Global Volcanism Network, 32:02, Report.
  105. Rymer, H., Locke, C.A., Brenes, J. & Williams-Jones, G. (2007) Magma plumbing processes for persistent activity at Poas Volcano, Costa Rica. AGU Joint Assembly, Acapulco, Mexico.
  106. Vigouroux, N., Mauri,G., Williams-Jones, G., van Hinsberg, V., Williams-Jones, A.E. &Nasution, A. (2007) Ijen (Indonesia): 2007 field visit found degassing and increasing fumarole temperatures. Bulletin of the Global Volcanism Network, 32:09, Report.
  107. Williams-Jones, G. & Nadeau, P.A. (2007) SO2 flux measurements at Masaya volcano, Nicaragua – apparent downwind depletion due to topography. AGU Joint Assembly, Acapulco, Mexico, Invited Abstract.
  108. Williams-Jones, G. & Mauri,G. (2007) Multi-temporal behaviour of a persistently active volcano - Masaya, Nicaragua. AGU Joint Assembly, Acapulco, Mexico, Invited Abstract.
  109. Hill, K.S., Crider, J.G. & Williams-Jones, G. (2006) Significant gravity change detected at Mount Baker, Washington, 1975-2005. Cordilleran Section - GSA, Anchorage, USA.
  110. Mauri,G., Williams-Jones, G. & Saracco, G. (2006) A study of persistent volcanic activity at Masaya volcano by continuous micro-gravity and self-potential surveys. GAC-MAC, Montreal, Canada.
  111. Nadeau, P.A. & Williams-Jones, G. (2006) Interaction of a volcanic plume with downwind topography at a persistently degassing volcano, Masaya, Nicaragua. GAC-MAC, Montreal, Canada.
  112. Nadeau, P.A., Williams-Jones, G., Simpson, K., Strauch, W., Navarro, M. (2006) Masaya (Nicaragua): Intermittent ash eruptions November 2003-March 2005; continuing incandescence. Bulletin of the Global Volcanism Network, 31:04, Report.
  113. Nadeau, P.A. & Williams-Jones, G. (2005) An Integrated Study of SO2 Behavior in the Volcanic Plume at Masaya Volcano, Nicaragua. The 9th Field Workshop on Volcanic Gases, IAVCEI-CCVG, Italy.
  114. Vigouroux, N., Wallace, P. & Linares, C. (2005) Volatile contents in primitive high-K magmas from the Colima Graben, Mexico. EOS. Trans. AGU, Fall Meeting Suppl.
  115. Williams-Jones, G., Wright, R., Brewer, K., Pilger, E., Flynn, L., Harris, A. & Escobar, R., (2005) Volcano hot-spot monitoring: A robust automated remote sensing system, GAC-MAC-CSPG-CSSS, Halifax, Canada.
  116. Branan, Y., Harris, A., Watson, I.M., Horton, K., Williams-Jones, G., Garbeil, H., Ripepe, M., Wilson, L. & Rose, W., (2004) Gas Puffing at Masaya: Evidence for Consistent Pulse Frequency at a Persistently Degassing System. IAVCEI, Pucon, Chile.
  117. de Zeeuw-van Dalfsen, E., Rymer, H., Rothery, D.A., Sigmunddson, F. & Williams-Jones, G., (2004) The integration of micro-gravity, water extraction and geodetic data at Krafla Volcano, NE Iceland. IAVCEI, Pucon, Chile.
  118. Harris, A., Horton, K. Ripepe, M., Marchetti, E., Branan, Y., Kearney, C., Calder, E., Davies, M., Dehn, J., Patrick, M., Williams-Jones, G. & Wilson, L., (2004) Integrated Thermal Monitoring 2: Gas Puffing as a Proxy for Degassing Rates at Persistently Active Systems. IAVCEI, Pucon, Chile.
  119. Rymer, H., Fournier, N. & Williams-Jones, G., (2004) Persistent activity and its effect on micro-gravity variations at Poás volcano, Costa Rica. IAVCEI, Pucon, Chile.
  120. Vigouroux, N., Williams-Jones, A.E. & Staudacher, T. (2004) New insight into the internal plumbing system of Piton de la Fournaise volcano: evidence from melt inclusions. EOS. Trans. AGU, Fall Meeting Suppl.
  121. Williams-Jones, G., Wright, R., Harris, A., Pilger, E., Flynn, L. & Escobar, R., (2004) GOES volcano hot-spot monitoring: Assessment of a new correlative algorithm. IAVCEI, Pucon, Chile.
  122. Williams-Jones, G., Rymer, H. & Fournier, N., (2004) Gravity and deformation changes at two persistently active volcanoes: Insights into magmatic processes. EOS. Trans. AGU, Joit Assembly Suppl., Abstract V51A-01.
  123. Fournier, N., Rymer, H., Williams-Jones, G., Brenes, J. & Markiewicz, S., (2003) Hydrothermal vs. magmatic processes on volcanoes with crater lakes: Key parameters for multidisciplinary monitoring. IUGG-IAVCEI General Assembly, Sapporo, Japan
  124. Horton, K.A., Williams-Jones, G., Garbeil, H., Porter, J.N. & Mouginis-Mark, P., (2003) FLYSPEC: A new ultraviolet correlation spectrometer for remote SO2 mesurements. The 8th Field Workshop on Volcanic Gases, IAVCEI-CCVG, Nicaragua & Costa Rica, March, Abstract, p. 39.
  125. Vigouroux, N. & Williams-Jones, A.E. (2003) Une étude du dégazage du Piton de la Fournaise lors de l'éruption de novembre 2002. GEOTOP.
  126. Williams-Jones, G., Horton, K., Garbeil, H., Elias, T., & Sutton A.J., (2003) Accurately measuring volcanic plume speeds with multiple UV spectrometers. Cities on Volcanoes 3, IAVCEI, July, Hilo Hawaii, Abstract, p. 142.
  127. Williams-Jones, G., Flynn, L., Harris, A.J.L., Gibson, B., Mouginis-Mark, P.J., Delmelle, P., Fournier, N. & EOS IDS Volcanology Team, (2002) The effects of persistently degassing volcanoes on the natural environment as exemplified by Kilauea, Masaya and Poás Volcanoes. EOS. Trans. AGU Fall Meeting Suppl., Abstract V21B-1194, p. F1488.
  128. Gottsmann, J., Berrino, G., Rymer, H., & Williams-Jones, G., (2002) What drives a restless caldera? Insights from 20 Years of gravity-height data on the Campi Flegrei, Italy. EOS. Trans. AGU Fall Meeting Suppl., Abstract V21A-1180, p. F1486.
  129. Horton, K.A., Williams-Jones, G., Garbeil, H., Porter, J.N., Mouginis-Mark, P.J., Sutton, A.J. & Elias, T., (2002) FLYSPEC: A new ultraviolet correlation spectrometer for the detection of volcanic SO2. EOS. Trans. AGU Fall Meeting Suppl., Abstract V12A-1418, p. F1476.
  130. Williams-Jones, G. & Rymer, H., (2001) Detecting volcanic eruption precursors: A new method using gravity and deformation measurements. AGU Fall Meeting Abstracts, EOS. Trans. AGU Fall Meeting, p. F1310.
  131. Fournier, N., Williams-Jones, G. & Rymer, H., (2001) Sulphur budget at Poás volcano. AGU Fall Meeting Abstracts, EOS American Geophysical Union, 82 (47), p. F1324.
  132. Rymer, H., Locke, C. A., Cassidy, J., Gottsmann, J. & Williams-Jones, G., (2001) Magma transfer processes at persistently active volcanoes. AGU Fall Meeting Abstracts, EOS. Trans. AGU Fall Meeting, p. F274.
  133. Beaulieu, A., Baxter, P., Burton, M., Delmelle, P., Francis, P., Garcia-Alvarez, J., Horrocks, L., Navarro, M., Oppenheimer, C., Rothery, D., Rymer, H., St.Amand, K., Stix, J., Strauch, W., van Wyk de Vries, B.&Williams-Jones, G., (2000) A model of current activity at Masaya volcano Nicaragua. IAVCEI, Bali, Indonesia, p. 67.
  134. Rymer, H. and Williams-Jones, G., (2000) Volcanic eruption prediction: Magma chamber physics from gravity and deformation measurements. IAVCEI, Bali, Indonesia, p. 66.
  135. Williams-Jones, G., Rymer H. & Rothery, D. A., (2000) Long-term gravity and SO2 flux measurements at Masaya volcano, Nicaragua. IAVCEI, Bali, Indonesia, p. 70.
  136. Williams-Jones, G., Rothery, D., Rymer, H., Delmelle, P., Oppenheimer, C., Duffell, H., Garcia Alavarez, J. and Strauch, W. (2000) Masaya (Nicaragua): Decreasing levels of degassing and stabilization of gravity decreases. Bulletin of the Global Volcanism Network, 25:09, Report.
  137. Delmelle, P., Stix, J., Williams-Jones, G., Rothery, D., Rymer, H., Horrocks, L., Burton, M., Baxter, P., Alavarez, J.G., Navarro, M. & Strauch, W. (1999) Masaya (Nicaragua): Continued degassing and marked gravity decreases; previously unreported small explosions. Bulletin of the Global Volcanism Network, 24:04, Report.
  138. Williams-Jones, G., Rymer, H. & Rothery, D. A., (1998) Micro-gravity changes in the Masaya Caldera Complex, Nicaragua. IEGG, London, U.K.
  139. Williams-Jones, G., Rothery, D. A., Rymer, H. & Stix, J., (1998) Integrated geophysical techniques at Masaya volcano, Nicaragua. IAVCEI, Cape Town, South Africa, p. 69.
  140. Beaulieu, A., Williams-Jones, G., St-Amand, K., Stix, J. & Rymer, H., (1998) Temporal gravity variations of variable timescale at Masaya volcano, Nicaragua.EOS. Trans. AGU Fall Meeting, p. F960.
  141. St-Amand K., Stix J., Delmelle P. & Williams-Jones, G., (1998) COSPEC measurements at Masaya Volcano, Nicaragua: Part I- Fluxes and magma degassing. EOS. Trans. AGU Fall Meeting, p. F977.
  142. Williams-Jones, G., Rothery, D., Rymer, H., Francis, P., Boardman, L., Beaulieu, A., Harvey, D., Delmelle, P., St-Amand, K., Stix, J., Burton, M., Oppenheimer, C., Watson, M., Gaonac'h, H., Navarro M., Strauch, W., & van Wyk de Vries, B. (1998) Masaya (Nicaragua): Integrated scientific studies of the caldera area. Bulletin of the Global Volcanism Network, 23:09, Report.
  143. Rymer, H., Davies, M., Stix, J., Knez, D., Williams-Jones, G., Beaulieu, A., Stevens, N., Navarro, M. & Perez, P. (1997) Masaya (Nicaragua): Strombolian explosion; incandescent vent in Santiago crater; seismicity increases. Bulletin of the Global Volcanism Network, 22:03, Report.
  144. Schaefer S. J., Krueger A. J., Krotkov N. A, Seftor C. J., Kelly T. J., Delgado H., Cardenas L., Piedad N., Villalpando R., Williams S. N., Fischer T. P., Williams-Jones, G. & Matias O., (1997) Detection of passive degassing of sulfur dioxide from Popocatepetl Volcano with the Earth probe Total Ozone Mapping Spectrometer (TOMS) and intercomparison with Correlation Spectrometer (COSPEC) data.EOS. Trans. AGU Fall Meeting, p. 798.
  145. Williams-Jones, G. & Stix, J., (1997) Rn, CO2, and SO2 degassing at Arenal volcano, Costa Rica. IAVCEI General Assembly, Puerto Vallarta, Mexico, p. 77.
  146. Williams-Jones, G., Heiligmann, M., Charland, A., Sherwood Lollar, B., and Stix, J., (1997) A model of diffuse degassing at three subduction-related volcanoes. IAVCEI General Assembly, Puerto Vallarta, Mexico, p. 65.
  147. Rymer, H., Davies, M., Stix, J., Knez, D., Williams-Jones, G., Beaulieu, A., Stevens, N., Navarro, M. & Perez, P. (1996) Masaya (Nicaragua): Incandescent vent in Santiago crater emitting large amounts of gas. Bulletin of the Global Volcanism Network, 21:04, Report.
  148. Williams-Jones, G. and Stix, J. (1994) The Meandering Canali of Venus. EOS. Trans. AGU Fall Meeting, 75(44), p. 416.