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Contact Information

Affiliate
Gerald P Roberts
Contact Information / Biography / Publications
Aon Benfield UCL Hazard Research Centre, UCL, Gower Street, London, WC1E 6BT, UK
Telephone:0207 679 7713
Fax:020 7383 2867
Email:gerald.roberts@ucl.ac.uk
Specialisation:
Earthquake Geology
Research Interests:

Earthquake recurrence, fault growth, palaeoseismology, earthquake geology, structural geology, Quaternary/Holocene cosmogenic and radiometric dating, plate tectonics.

I am interested in the recurrence of earthquake constrained by fault growth, palaeoseismology, earthquake geology, structural geology, Quaternary/Holocene cosmogenic and radiometric dating, and plate tectonics.
  • Podolsky, D. M. V., Roberts, G. P., Growth of the volcano-flank Koa’e Fault System, Hawaii. Journal of Structural Geology, in press.
  • Attal, M., Tucker, G. E., Whittaker, A. C., Cowie, P. A., Roberts, G. P., 2008. Modeling fluvial incision and transient landscape evolution: influence of dynamic channel adjustment. Journal of Geophysical Research, 113, F03013, doi:10.1029/2007JF000893.
  • Whittaker, A. C., Attal, M., Cowie, P. A., Tucker, G. E., Roberts, G. P., 2008. Decoding temporal and spatial patterns of uplift using transient river long profiles. Geomorphology, 100, 506-526.
  • Cowie, P.A., Whittaker, A. C., Attal, M., Roberts, G. P., Tucker, G. E., Ganas, A., 2008. New constraints on sediment-flux-dependent rivers incision: implications for extracting tectonic signals from river profiles. Geology, 36, 535-538, doi: 10.1130/G24681A.1.
  • Roberts, G. P. 2008. Visualisation of active normal fault scarps in the Apennines, Italy: a key to assessment of tectonic strain release and earthquake rupture.. In: (ed.) De Paor, D., Google Earth Science, Journal of the Virtual Explorer, Electronic Edition, ISSN 1441-8142, Volume 30, Paper 3.
  • Koukovelas, I., Roberts, G. P.,2007. Deep structure, fault arrays and surface processes within an active graben: The Gulf of Corinth. Tectonophysics, 440, 1-4, doi:10.1016/S0040-1951(07)00207-7.
  • Whittaker, A. C., Cowie, P. A., Attal, M., Tucker, G. E., Roberts, G. P. 2007. Contrasting transient and steady-state rivers crossing active normal faults: new observations from the central Apennines. Basin Research, doi: 10.1111/j.1365-2117.2007.00337.x.
  • Cooper, F.J., Roberts, G. P., Underwood, C.U., 2007. A comparison of 103 – 105 year uplift rates on the South Alkyonides Fault, central Greece: Holocene climate stability and the formation of coastal notches. Geophysical Research Letters, 34, L14310, doi:10.1029/2007GL030673, 2007.
  • Roberts, G. P., Crawford, I. A., Peacock, D., Vetterlein, J., Parfitt, E., Bishop, L., 2007. Possible evidence for on-going volcanism on Mars as suggested by thin, elliptical sheets of low-albedo particulate material around pits and fissures close to Cerberus Fossae. Earth, Moon and Planets. DOI10.1007/s11038-007-9140-z.
  • Roberts, G. P. 2007. Fault orientation variations along the strike of active normal fault systems in Italy and Greece: Implications for predicting the orientations of subseismic-resolution faults in hydrocarbon reservoirs. American Association of Petroleum Geologists Bulletin, 91, No. 1, 1-20.
  • Papanikoloau, I., Roberts, G. P., 2007. Geometry, kinematics and deformation rates along the active normal fault system in the southern Apennines: implications for fault growth. Journal of Structural Geology, 29, 166-188.
  • Cowie, P. A., Roberts, G. P., Mortimer, E., 2007. Strain localisation within fault arrays over timescale of 100-107 years – Observations, explanations and debates. In: Handy, M.R., G. Hirth, and N. Hovius, eds. 2007. Tectonic Faults: Agents of Change on a Dynamic Earth. Dahlem Workshop Report 95. Cambridge, MA: MIT Press. Chapter 3, pages 47-77.
  • Whittaker, A. C., Cowie, P. A., Attal, M., Tucker, G. E., Roberts, G. P., 2007. Bedrock channel adjustment to tectonic forcing: Implications for predicting river incision rates. Geology, 35, No. 2, 103-106; doi: 10.1130/G23106A.1
  • Roberts, G. P., 2006. Multi-seismic cycle velocity and strain fields for an active normal fault system, central Italy. Earth and Planetary Science Letters, 252, 44-51.
  • Cowie, P. A., Attal, M., Tucker, G. E., Whittaker, A. C., Ganas, A., Roberts, G. P., 2006. Investigating the surface process response to fault interaction and linkage using a numerical modeling approach. Basin Research, doi: 10.1111/j.1365-2117.2006.00298.x
  • Papanikolaou, I, Roberts, G. P., Michetti, A. M., 2005. Fault scarps and deformation rates in Lazio-Abruzzo, Central Italy: Comparison between geological fault slip-rate and GPS data. Tectonophysics, 408, 147-176.
  • Roberts, G. P., P. Cowie, I. Papanikoloau, Michetti. A. M., 2004. Fault scaling relationships, deformation rates and seismic hazards: an example from Lazio-Abruzzo region, central Italy. Journal of Structural Geology, 26, 377-398.
  • Roberts, G. P., Michetti, A. M., 2004. Spatial and temporal variations in growth rates along active normal fault Systems: an example from Lazio-Abruzzo, central Italy. Journal of Structural Geology, 26, 339-376.
  • Houghton, S. L., Roberts, G. P.,  Papanikolaou, I. D., McArthur, J. M., Gilmour, M. A., 2003. New 234U-230Th coral dates from the western Gulf of Corinth: Implications for extensional tectonics, Geophysical Research Letters, VOL. 30, NO. 19, 2013, doi:10.1029/2003GL018112, 2003.
  • Vetterlein, J. Roberts, G. P. 2003. Cracking up: faulting on Earth and Mars. Astronomy and Geophysics, 44, 4.22.
  • Kosa, E., Hunt, D., Fitchen, W., Bockel-Rebelle, M.-O., Roberts, G. P. 2003. The heterogeneity of palaeocavern systems developed along syndepositional fault zones: upper Permian Capitan Platform, Guadalupe Mountains, U.S.A., In: Permo-Carboniferous Carbonate Platforms and Reefs SEPM Special Publication No. 78 and AAPG Memoir 83, Copyright © 2003 SEPM (Society for Sedimentary Geology), American Association of Petroleum Geologists (AAPG), ISBN 1-56576-087-5, p. 291–322.
  • Morewood, N. C., Roberts, G. P., 2002. Surface observations of active normal fault propagation: implications for growth. Journal of the Geological Society, London, 159, 263–272.
  • Roberts, G.P., Michetti, A. M., Cowie, P. A., Morewood, N. C., Papanikolaou. I., 2002. Fault slip-rate variations during crustal-scale strain localisation, central Italy. Geophysical Research Letters. 29, No. 8, 10.1029/2001GL013529, 2002.
  • Cowie, P. A., Roberts, G. P., 2001. Constraining slip rates and spacings for active normal faults,  Journal of Structural Geology, 23, 1901-1915.
  • Morewood, N. C., Roberts G. P.2001. Comparison of surface slip and focal mechanism data along normal faults: an example from the eastern Gulf of Corinth. Journal of Structural Geology, 23, 473-488.
  • Roberts, G. P., Ganas, A. 2000. Fault-slip directions in central-southern Greece measured from striated and corrugated fault planes: comparison with focal mechanism and geodetic data. Journal of Geophysical Research, 105, 23,443-23,462.
  • Michetti, A.M., Ferreli, L., Esposito, E., Porfido, S., Blumetti, A., Vittori, E., Serva, L. and Roberts, G. P.2000. Ground effects during the September 9, 1998 ML = 5.5 Lauria Earthquake in southern Italy and the seismic potential of the "aseismic" Pollino region: preliminary report. Seismological Research Letters, 71, 31-46.
  • Morewood, N.C., Roberts G. P.2000. The geometry, kinematics and rates of deformation within an en echelon normal fault segment boundary, central Italy. Journal of Structural Geology, 22, 1027-1047.
  • Morewood, N.C., Roberts G. P.1999. Lateral propagation of the South Alkyonides normal fault segment, central Greece: its impact on models of fault growth and displacement-length relationships. Journal of Structural Geology, 21, 635-652.
  • Ganas, A., Roberts, G. P., Memou, T. 1998. Segment boundaries, the 1894 ruptures and strain patterns along the Atalanti Fault, Central Greece. Journal of Geodynamics, 26, 461-486.
  • Morewood, N.C., Roberts G. P.1997. The geometry, kinematics and rates of deformation in a normal fault segment boundary, Greece. Geophysical Research Letters, 24, No. 23, 3081-3084.
  • Pilcher, R.S., Roberts, G. P., Buckley, R., Harbury, N.A. 1996. The structure of the Mahatta Humaid, Huqf Uplift: implications for the tectonics of the eastern Oman. Journal of African and Arabian Earth Sciences, 22, 311-321.
  • Roberts, G. P., Koukouvelas, I. 1996. Structural and seismological segmentation of the Gulf of Corinth Fault System: implications for models of fault growth. Annali di Geofisica, XXXIX, 619-646.
  • Roberts, G. P. 1996. Noncharacteristic earthquake ruptures from the Gulf of Corinth, Greece. Journal of Geophysical Research, 101, 25,255-25,267.
  • Roberts, G. P. 1996. Variation in fault-slip directions along active normal faults. Journal of Structural Geology, 18, 835-845.
  • Roberts, G. P., Gawthorpe, R.L. 1995. Strike variation in deformation and diagenesis along segmented normal faults: an example form the Gulf of Corinth. In Lambiase, J. (Ed.), Hydrocarbon Habitat in Rift Basins. Geological Society Special Publication 80, pp. 57-74.
  • Roberts, G. P., Stewart, I. 1994. Uplift, deformation and fluid involvement within an active normal fault zone in the Gulf of Corinth, Greece. Journal of the Geological Society, London, 151, 531-542.
  • Roberts, G. P. 1994. Displacement localization and palaeo-seismicity of the Rencurel Thrust Zone, French Sub-Alpine Chains. Journal of Structural Geology, 16, 633-646.
  • Roberts, G. P., Gawthorpe, R.L., Stewart, I. 1993. Surface faulting within active normal fault zones: examples from the Gulf of Corinth Fault System, Greece. In: Stewart, I., Vita-Finzi, C. and Owen, L. (Eds.) Neotectonics and Active Faulting. Zeitschrift für Geomorphologie, Neue Folge Supplementband, 94, 303-328.
  • Roberts, G. P. 1991. Structural controls on fluid migration through the Rencurel Thrust Zone, Vercors, French Sub-Alpine Chains. In England, W. and Fleet, A. (eds.), Petroleum Migration. Special Publication of the Geological Society, London, 59, 245-262.
  • Roberts, G. P. 1990. Structural controls on fluid migration in Foreland Thrust Belts. In: Letouzey, J. (Ed.) Petroleum and Tectonics in Mobile Belts. Editions Technip, Paris, pp. 193-210.

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