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Department of Meteorology – University of Reading

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Professor Geoff Wadge

Visiting Research Fellow


Former Director of ESSC

Research Interests:

  • The use of radar to monitor volcanoes
  • Measurement and modelling of the atmosphere above volcanoes
  • Physical volcanology
  • Soufriere Hills Volcano, Montserrat

Research Projects:

  • Short period deformation at a lava dome volcano
  • Pulsatory magma flow at Bagana volcano
  • Looking into the continents from space(LICS)
  • Correction of InSAR for the atmosphere (CORINA)
  • Geosynchronous SAR mission (GEO-SAR)

Postdoctoral & graduate student supervision

  • Cat Hayer is a 4th year PhD student working on satellite measurements of sulphur dioxide at Montserrat
  • Tom Webb is a 2nd year PhD student working on water vapour modelling for InSAR correction

Other interests

  • Volcanic risk assessment, management and communication
  • Chairman, Foreign Office's Scientific Advisory Committee on Montserrat volcanic activity

Centaur Publications

Jump to: 2020 | 2019 | 2018 | 2017 | 2016 | 2013 | 2012 | 2011 | 2010 | 2009 | 2008 | 2007 | 2006 | 2005 | 2004 | 2003 | 1998
Number of items: 53.


Webb, T. L., Wadge, G. and Pascal, K. (2020) Mapping water vapour variability over a mountainous tropical island using InSAR and an atmospheric model for geodetic observations. Remote Sensing of Environment, 237. 111560. ISSN 0034-4257 doi:


McCormick Kilbride, Brendan T., Mulina, Kila, Wadge, Geoff, Johnson, R. Wally, Itikarai, Ima and Edmonds, Marie (2019) Multi-year satellite observations of sulfur dioxide gas emissions and lava extrusion at Bagana volcano, Papua New Guinea. Frontiers in Earth Science. ISSN 2296-6463 doi:

Arnold, D. W. D., Biggs, J., Dietterich, H. R., Vallejo Vargas, S., Wadge, G. and Mothes, P. (2019) Lava flow morphology at an erupting andesitic stratovolcano: a satellite perspective on El Reventador, Ecuador. Journal of Volcanology and Geothermal Research, 372. pp. 34-47. ISSN 0377-0273 doi:


Wadge, Geoff, McCormick Kilbride, B. T., Edmonds, M. and Johnson, R. W. (2018) Persistent growth of a young andesite lava cone: Bagana volcano, Papua New Guinea. Journal of Volcanology and Geothermal Research, 356. pp. 304-315. ISSN 0377-0273 doi:

Arnold, D. W. D., Biggs, J., Wadge, Geoff and Mothes, P. (2018) Using satellite radar amplitude imaging for monitoring syn-eruptive changes in surface morphology at an ice-capped stratovolcano. Remote Sensing of the Environment, 209. pp. 480-488. ISSN 0034-4257 doi:


Arnold, D. W. D., Biggs, J., Anderson, K., Vargas, S. Vallejo, Wadge, Geoff, Ebmeier, S. K., Naranjo, M. F. and Mothes, P. (2017) Decaying lava extrusion rate at El Reventador Volcano, Ecuador measured using high-resolution satellite radar. Journal of Geophysical Research: Solid Earth, 122 (12). pp. 9966-9988. ISSN 2169-9356 doi:

Sheldrake, T. E., Aspinall, W. P., Odbert, H. M., Wadge, Geoff and Sparks, R. S. J. (2017) Understanding causality and uncertainty in volcanic observations: an example of forecasting eruptive activity on Soufrière Hills Volcano, Montserrat. Journal of Volcanology and Geothermal Research, 341. pp. 287-300. ISSN 0377-0273 doi:


Hobbs, S., Convenevole, C., Guarnieri, A. Monti and Wadge, Geoff (2016) Geostare system performance assessment methodology. In: 2016 IEEE International Geoscience and Remote Sensing Symposium (IGARSS), 10-15 July 2016, Beijing, China, pp. 1404-1407. doi:

Wadge, G., Costa, A., Pascal, K., Werner, C. and Webb, T. (2016) The variability of refractivity in the atmospheric boundary layer of a tropical island volcano measured by ground-based interferometric radar. Boundary-Layer Meteorology, 161 (2). pp. 309-333. ISSN 0006-8314 doi:

Wadge, Geoffrey, Biggs, Juliet, Lloyd, Ryan and Kendall, J.-M. (2016) Historical volcanism and the state of stress in the East African Rift System. Frontiers in Earth Science, 4. 86. ISSN 2296-6463 doi:

Sheldrake, T. E., Sparks, R. S. J., Cashman, K. V., Wadge, G. and Aspinall, W. P. (2016) Similarities and differences in the historical records of lava dome-building volcanoes: implications for understanding magmatic processes and eruption forecasting. Earth Science Reviews, 160. pp. 240-263. ISSN 0012-8252 doi:

Arnold, D. W. D., Biggs, J., Wadge, Geoff, Ebmeier, S. K., Odbert, H. M. and Poland, M. P. (2016) Dome growth, collapse, and valley fill at Soufrière Hills Volcano, Montserrat, from 1995 to 2013: Contributions from satellite radar measurements of topographic change. Geosphere, 12 (4). pp. 1300-1315. ISSN 1553-040X doi:

Hayer, C. S., Wadge, G., Edmonds, M. and Christopher, T. (2016) Sensitivity of OMI SO2 measurements to variable eruptive behaviour at Soufrière Hills Volcano, Montserrat. Journal of Volcanology and Geothermal Research, 312. pp. 1-10. ISSN 0377-0273 doi:


Costa, A., Wadge, G., Stewart, R. and Odbert, H. (2013) Coupled subdaily and multiweek cycles during the lava dome erupt of Soufriere Hills Volcano, Montserrat. Journal of Geophysical Research. Solid Earth, 118 (5). pp. 1895-1903. ISSN 2169-9356 doi:

Macfarlane, D. G., Odbert, H. M., Robertson, D. A., James, M. R., Pinkerton, H. and Wadge, Geoff (2013) Topographic and thermal mapping of volcanic terrain using AVTIS ground-based 94-GHz dual-mode radar/radiometric imager. IEEE Transactions on Geoscience and Remote Sensing, 51 (1). pp. 455-472. ISSN 0196-2892 doi:


Toombs, Andy and Wadge, Geoff (2012) Co-eruptive and inter-eruptive surface deformation measured by satellite radar interferometry at Nyamuragira volcano, D.R. Congo, 1996 to 2010. Journal of Volcanology and Geothermal Research, 245-246. pp. 98-122. ISSN 0377-0273 doi:

Wadge, G., Saunders, S. and Itikarai, I. (2012) Pulsatory andesite lava flow at Bagana Volcano. Geochemistry, Geophysics, Geosystems, 13. Q11011. ISSN 1525-2027 doi:

Costa, Antonio, Wadge, Geoff and Melnik, O. (2012) Cyclic extrusion of a lava dome based on a stick-slip mechanism. Earth and Planetary Science Letters, 337-38. pp. 39-46. ISSN 0012-821X doi:


Wadge, Geoff and Burt, Louise (2011) Stress field control of eruption dynamics at a rift volcano: Nyamuragira, D.R.Congo. Journal of Volcanology and Geothermal Research, 207 (1-2). pp. 1-15. ISSN 0377-0273 doi:

Wadge, G., Cole, P., Stinton, A., Komorowski, J.C., Stewart, R., Toombs, A.C. and Legendre, Y. (2011) Rapid topographic change measured by high-resolution satellite radar at Soufriere Hills Volcano, Montserrat, 2008-2010. Journal of Volcanology and Geothermal Research, 199 (1-2). pp. 142-152. ISSN 0377-0273 doi:


Komorowski, J.-C., Legendre, Y., Christopher, T., Bernstein, M., Stewart, R., Joseph, E., Fournier, N., Chardot, L., Finizola, A., Wadge, G., Syers, R., Williams, C. and Bass, V. (2010) Insights into processes and deposits of hazardous vulcanian explosions at Soufrière Hills Volcano during 2008 and 2009 (Montserrat, West Indies). Geophysical Research Letters, 37. L00E19. ISSN 0094-8276 doi:

Ryan, G. A., Loughlin, S. C., James, M. R., Jones, L. D., Calder, E. S., Christopher, T., Strutt, M. H. and Wadge, Geoffrey (2010) Growth of the lava dome and extrusion rates at Soufrière Hills Volcano, Montserrat, West Indies: 2005–2008. Geophysical Research Letters, 37. L00E08. ISSN 0094-8276 doi:

Wadge, Geoffrey, Herd, R., Ryan, G., Calder, E.S. and Komorowski, J.-C. (2010) Lava production at Soufriere Hills Volcano, Montserrat: 1995-2009. Geophysical Research Letters, 37. ISSN 0094-8276 doi:

Wadge, G. (2010) Assessing the pyroclastic flow hazards from dome collapse at Soufriere Hills Volcano, Montserrat. In: Thordarson, T, Self, S, Rowlands, SK and Hoskuldsson, A (eds.) Studies in Volcanology: the Legacy of George Walker. IAVCEI Publications, IAVCEI 2. Geological Society London/ IAVCEI , London, pp. 211-224. ISBN 9781862392809

Wadge, Geoff, Zhu, M., Holley, R. J., James, L. N., Clark, P. A., Wang, C. and Woodage, M. J. (2010) Correction of atmospheric delay effects in radar interferometry using a nested mesoscale atmospheric model. Journal of Applied Geophysics, 72 (2). pp. 141-149. ISSN 0926-9851 doi:


Odbert, H.M. and Wadge, G. (2009) Time series analysis of lava flux. Journal of Volcanology and Geothermal Research, 188 (4). pp. 305-314. ISSN 0377-0273 doi:

Hale, A.J., Calder, E.S., Wadge, G., Loughlin, S.C. and Ryan, G.A. (2009) Modelling the lava dome extruded at Soufrière Hills Volcano, Montserrat, August 2005–May 2006. Part I: Dome shape and internal structure. Journal of Volcanology and Geothermal Research, 187 (1-2). pp. 53-68. ISSN 0377-0273 doi:

Wadge, G., Ryan, G. and Calder, E.S. (2009) Clastic and core lava components of a silicic lava dome. Geology, 37 (6). pp. 551-554. ISSN 0091-7613 doi:

Hale, A.J., Calder, E.S., Loughlin, S.C., Wadge, G. and Ryan, G.A. (2009) Modelling the lava dome extruded at Soufrière Hills Volcano, Montserrat, August 2005–May 2006. Part II: Rockfall activity and talus deformation. Journal of Volcanology and Geothermal Research, 187 (1-2). pp. 69-84. ISSN 0377-0273 doi:

Wadge, Geoffrey, Aspinall, WP and Barclay, J, (2009) Risk-based policy support for volcanic hazard mitigation. Project Report. Foreign and Commonwealth Office (Unpublished)


Zhu, M, Wadge, Geoff, Holley, Rachel, James, I.N., Clark, P.A., Wang, Chang-Gui and Woodage, M.J. (2008) Structure of the precipitable water field over Mount Etna. Tellus Series A: Dynamic Meteorology and Oceanography, 60A (4). pp. 679-687. ISSN 0280-6495 doi:

Hale, A.J. and Wadge, Geoff (2008) The transition from endogenous to exogenous growth of lava domes with the development of shear bands. Journal of Volcanology and Geothermal Research, 171 (3-4). pp. 237-257. ISSN 0377-0273 doi:

Wadge, G., Macfarlane, D.G., Odbert, H., James, M.R., Hole, J.K., Ryan, G., Bass, V., De Angelis, S., Pinkerton , H., Robertson, D.A. and Loughlin, S.C. (2008) Lava dome growth and mass wasting measured by a time series of ground-based radar and seismicity observations. Journal of Geophysical Research, 113 (B8). B08210. ISSN 0148-0227 doi:

Ager, G, Wadge, Geoffrey, Tragheim, D and Jordan, C, (2008) Volcanic eruption of 29th July 2008 on the island of Montserrat. Technical Report. British Geological Survey pp48.


Zhu, M, Wadge, Geoffrey, Holley, R.J., James, I.N., Clark, P.A., Wang, C. and Woodage, M.J. (2007) High resolution forecast models of water vapour over mountains: comparison of results from the UM and MERIS. IEEE Geoscience and Remote Sensing Letters, 4 (3). pp. 401-405. ISSN 1545-598X doi:

Hole, J.K., Stevens, N.F., Wadge, Geoffrey and Bromley, C. (2007) Subsidence in the geothermal fields of the Taupo Volcanic Zone, New Zealand measured by InSAR. Journal of Volcanology and Geothermal Research, 166 (3-4). pp. 125-146. ISSN 0377-0273 doi:

Hale, A.J., Wadge, G. and Mulhaus, H. (2007) The influence of viscous and latent heating on crystal-rich magma flow in a conduit. Geophysical Journal International, 171 (3). pp. 1406-1429. ISSN 0956-540X doi:


Wadge, G., Mattioli, G. S. and Herd, R. A. (2006) Ground deformation at Soufriere Hills Volcano, Montserrat during 1998-2000 measured by radar interferometry and GPS. Journal Of Volcanology And Geothermal Research, 152 (1-2). pp. 157-173. ISSN 0377-0273

Wadge, G., Macfarlane, D.G., James, M.R., Odbert, H.M., L.J., Applegarth., Pinkerton, H., Robertson, D.A., Loughlin, S.C., Strutt, M., Ryan, G. and Dunkley, P.N. (2006) Imaging a growing lava dome with a portable radar. EOS Transactions AGU, 87. pp. 226-228.

Li, Z. W., Ding, X. L., Huang, C., Wadge, G. and Zheng, D. W. (2006) Modeling of atmospheric effects on InSAR measurements by incorporating terrain elevation information. Journal of Atmospheric and Solar-Terrestrial Physics, 68 (11). pp. 1189-1194. ISSN 1364-6826

Wadge, G., Odbert, H.M., Macfarlane, D.G. and James, M.R. (2006) The October 2005 DEM of the Soufriere Hills crater. In: Montserrat Volcano Observatory Open File Report OF-06/03. UNSPECIFIED,

Macfarlane, D. G., Wadge, G., Robertson, D. A., James, M. R. and Pinkerton, H. (2006) Use of a portable topographic mapping millimetre wave radar at an active lava flow. Geophysical Research Letters, 33 (3). Art. No. L03301. ISSN 0094-8276

Wadge, G., Dorta, D. O. and Cole, P. D. (2006) The magma budget of Volcan Arenal, Costa Rica from 1980 to 2004. Journal Of Volcanology And Geothermal Research, 157 (1-3). pp. 60-74. ISSN 0377-0273


Wadge, G., Macfarlane, D. G., Robertson, D. A., Hale, A. J., Pinkerton, H., Burrell, R. V., Norton, G. E. and James, M. R. (2005) AVTIS: A novel millimetre-wave ground based instrument for volcano remote sensing. Journal Of Volcanology And Geothermal Research, 146 (4). pp. 307-318. doi:


Wadge, G., Parsons, B.E. and Team, EVINSAR Science (2004) Achieving the EVINSAR objectives with TerraSAR-L. In: FRINGE 2003 Workshop, Frascati, Italy.

Wadge, G., Webley, P.W. and Stevens, N.F. (2004) Correcting InSAR data for tropospheric path effects over volcanoes using dynamic atmosheric models. In: FRINGE 2003 Workshop.

Webley, P.W., Wadge, G. and James, I.N. (2004) Determining radio wave delay by non-hydrostatic atmospheric modelling of water vapour over mountains. Physics and chemistry of the earth, doi:10.101.

Wadge, G. (2004) Measuring the rate of lava effusion by InSAR. In: FRINGE 2003 Workshop, Frascati, Italy.

Stevens, N.F. and Wadge, G. (2004) Towards operational repeat-pass SAR interferometry at active volcanoes. Natural Hazards, 33. pp. 47-76.


Wadge, G. and Archer, D.J. (2003) Evaporation of groundwater from arid playas measured by C-band SAR. IEEE Trans. Geoscience & Remote Sensing, 41. pp. 1641-1650.

Hale, A.J. and Wadge, G. (2003) Numerical modelling of the growth dynamics of a simple silicic lava dome. Geophysical Research Letters, 30. doi:

Wadge, G. (2003) A strategy for the observation of volcanism on Earth from space. Phil. Trans. Royal Soc. London, 361. pp. 145-156.


Wadge, Geoff, Jackson, P., Bower, S. M., Woods, A. W. and Calder, E. (1998) Computer simulations of pyroclastic flows from dome collapse. Geophysical Research Letters, 25 (19). pp. 3677-3680. ISSN 0094-8276 doi:

This list was generated on Sun Dec 3 06:07:21 2023 UTC.

Last update: 9th August 2023

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