Browse by Current Cardiff authors

Kirkpatrick, James D., Fagereng, Åke and Shelly, David R. 2021. Geological constraints on the mechanisms of slow earthquakes. Nature Reviews Earth & Environment 10.1038/s43017-021-00148-w Item availability restricted.

Fagereng, Å and Beall, A. 2021. Is complex fault zone behaviour a reflection of rheological heterogeneity? Philosophical Transactions A: Mathematical, Physical and Engineering Sciences 379 (2193) , 20190421. 10.1098/rsta.2019.0421

McNamara, D. D., Behboudi, E., Wallace, L., Saffer, D., Cook, A. E., Fagereng, A., Paganoni, M., Wu, Hung-Yu, Kim, G., Lee, H., Savage, H. M., Barnes, P., Pecher, I., LeVay, L. J. and Petronotis, K. E. 2021. Variable in situ stress orientations across the Northern Hikurangi Subduction Margin. Geophysical Research Letters 48 (5) , e2020GL091707. 10.1029/2020GL091707

Beall, Adam, Fagereng, Åke, Davies, J. Huw, Garel, Fanny and Davies, D. Rhodri 2021. Influence of subduction zone dynamics on interface shear stress and potential relationship with seismogenic behavior. Geochemistry, Geophysics, Geosystems 22 (2) , e2020GC009267. 10.1029/2020GC009267

Williams, Jack N., Mdala, Hassan, Fagereng, Åke, Wedmore, Luke N. J., Biggs, Juliet, Dulanya, Zuze, Chindandali, Patrick and Mphepo, Felix 2021. A systems-based approach to parameterise seismic hazard in regions with little historical or instrumental seismicity: active fault and seismogenic source databases for southern Malawi. Solid Earth 12 (1) , pp. 187-217. 10.5194/se-12-187-2021

Wedmore, Luke N.J., Williams, Jack N., Biggs, Juliet, Fagereng, Åke, Mphepo, Felix, Dulanya, Zuze, Willoughby, James, Mdala, Hassan and Adams, Byron 2020. Structural inheritance and border fault reactivation during active early-stage rifting along the Thyolo fault, Malawi. Journal of Structural Geology 139 , 104097. 10.1016/j.jsg.2020.104097 Item availability restricted.

Leah, Harold, Fagereng, Åke, Meneghini, Francesca, Morgan, Julia K., Savage, Heather M., Wang, Maomao, Bell, Rebecca E. and Ikari, Matt J. 2020. Mixed brittle and viscous strain localisation in pelagic sediments seaward of the Hikurangi margin, New Zealand. Tectonics 39 (8) , e2019TC005965. 10.1029/2019TC005965

Stenvall, C. A., Fagereng, A., Diener, J. F. A., Harris, C. and Janney, P. E. 2020. Sources and effects of fluids in continental retrograde shear zones: insights from the Kuckaus Mylonite Zone, Namibia. Geofluids 2020 , 3023268. 10.1155/2020/3023268

Stenvall, C. A., Fagereng, A., Diener, J. F. A., Harris, C. and Janney, P. E. 2020. Sources and effects of fluids in continental retrograde shear zones: Insights from the Kuckaus Mylonite Zone, Namibia. Geofluids 2020 , 3023268. 10.1155/2020/3023268

Tulley, Christopher J., Fagereng, Åke and Ujiie, Kohtaro 2020. Hydrous oceanic crust hosts megathrust creep at low shear stresses. Science Advances 6 (22) , eaba1529. 10.1126/sciadv.aba1529

Prior-Jones, Michael, Pinnion, Jennifer, Millet, Marc-Alban, Bagshaw, Elizabeth, Fagereng, Ake and Ballinger, Rhoda 2020. An inclusive risk assessment tool for travel and fieldwork. Presented at: EGU General Assembly 2020, Online, 4-8 May 2020. Copernicus {GmbH}, 10.5194/egusphere-egu2020-7678

Fagereng, Åke and Ikari, Matt J. 2020. Low‐temperature frictional characteristics of chlorite‐epidote‐amphibole assemblages: implications for strength and seismic style of retrograde fault zones. Journal of Geophysical Research. Solid Earth 125 (4) , e2020JB019487. 10.1029/2020JB019487

Barnes, Philip M., Wallace, Laura M., Saffer, Demian M., Bell, Rebecca E., Underwood, Michael B., Fagereng, Ake, Meneghini, Francesca, Savage, Heather M., Rabinowitz, Hannah S., Morgan, Julia K., Kitajima, Hiroko, Kutterolf, Steffen, Hashimoto, Yoshitaka, Engelmann de Oliveira, Christie H., Noda, Atsushi, Crundwell, Martin P., Shepherd, Claire L., Woodhouse, Adam D., Harris, Robert N., Wang, Maomao, Henrys, Stuart, Barker, Daniel H.N., Petronotis, Katerina E., Bourlange, Sylvain M., Clennell, Michael B., Cook, Ann E., Dugan, Brandon E., Elger, Judith, Fulton, Patrick M., Gamboa, Davide, Greve, Annika, Han, Shuoshuo, Hüpers, Andre, Ikari, Matt J., Ito, Yoshihiro, Kim, Gil Young, Koge, Hiroaki, Lee, Hikweon, Li, Xuesen, Luo, Min, Malie, Pierre R., Moore, Gregory F., Mountjoy, Joshu J., McNamara, David D., Paganoni, Matteo, Screaton, Elizabeth J., Shankar, Uma, Shreedharan, Srisharan, Solomon, Evan A., Wang, Xiujuan, Wu, Hung-Yu, Pecher, Ingo A., LeVay, Leah J. and IODP Expedition, 2020. Slow slip source characterized by lithological and geometric heterogeneity. Science Advances 6 (13) , eaay3314. 10.1126/sciadv.aay3314

Campbell, L. R., Menegon, L., Fagereng, Å. and Pennacchioni, G. 2020. Earthquake nucleation in the lower crust by local stress amplification. Nature Communications 11 , 1322. 10.1038/s41467-020-15150-x

Hodge, Michael, Biggs, Juliet, Fagereng, Ake, Mdala, H., Wedmore, L. and Williams, Jack 2020. Evidence from high resolution topography for multiple earthquakes on high slip-to-length fault scarps: the Bilila-Mtakataka fault, Malawi. Tectonics 39 (2) , e2019TC005933. 10.1029/2019TC005933

Wedmore, L.N.J., Biggs, J., Williams, J.N., Fagereng, Å., Dulanya, Z., Mphepo, F. and Mdala, H. 2020. Active fault scarps in southern Malawi and their implications for the distribution of strain in incipient continental rifts. Tectonics , -. 10.1029/2019TC005834

Beall, Adam, Fagereng, Ake and Ellis, Susan 2019. Fracture and weakening of jammed subduction shear zones, leading to the generation of slow slip events. Geochemistry Geophysics Geosystems 20 (11) , pp. 4869-4884. 10.1029/2019GC008481

Ellis, Susan, Ghisetti, Francesca, Barnes, Philip M, Boulton, Carolyn, Fagereng, Åke and Buiter, Susanne 2019. The contemporary force balance in a wide accretionary wedge: numerical models of the south-central Hikurangi margin of New Zealand. Geophysical Journal International 219 (2) , pp. 776-795. 10.1093/gji/ggz317

Hellebrekers, Nina, Niemeijer, André R., Fagereng, Åke, Manda, Blackwell and Mvula, Richard L.S. 2019. Lower crustal earthquakes in the East African Rift System: Insights from frictional properties of rock samples from the Malawi rift. Tectonophysics 767 , p. 228167. 10.1016/j.tecto.2019.228167

Fagereng, Åke and Biggs, Juliet 2019. New perspectives on 'geological strain rates' calculated from both naturally deformed and actively deforming rocks. Journal of Structural Geology 125 , pp. 100-110. 10.1016/j.jsg.2018.10.004

Stenvall, C.A., Fagereng, Å. and Diener, J.F.A. 2019. Weaker than weakest: on the strength of shear zones. Geophysical Research Letters 46 (13) , pp. 7404-7413. 10.1029/2019GL083388

Fagereng, A, Savage, H. M., Morgan, J. K., Wang, M, Meneghini, F, Barnes, P. M., Bell, R, Kitajima, H, McNamara, D. D., Saffer, D. M., Wallace, L. M., Petronotis, K. and LeVay, L. 2019. Mixed deformation styles on a shallow subduction thrust, Hikurangi margin, New Zealand. Geology 47 (9) , pp. 872-876. 10.1130/G46367.1

Williams, Jack N., Fagereng, Åke, Wedmore, Luke N. J., Biggs, Juliet, Mphepo, Felix, Dulanya, Zuze, Mdala, Hassan and Blenkinsop, Thomas 2019. How do variably striking faults reactivate during rifting? insights from Southern Malawi. Geochemistry, Geophysics, Geosystems 20 (7) , pp. 3588-3607. 10.1029/2019GC008219

Beall, Adam, Fagereng, Ake and Ellis, Susan 2019. Strength of strained two-phase mixtures: Application to rapid creep and stress amplification in subduction zone mélange. Geophysical Research Letters 46 (1) , pp. 169-178. 10.1029/2018GL081252

Hodge, Michael, Biggs, Juliet, Fagereng, Åke, Elliott, Austin, Mdala, Hassan and Mphepo, Felix 2019. A semi-automated algorithm to quantify scarp morphology (SPARTA): application to normal faults in southern Malawi. Solid Earth 10 (1) , pp. 27-57. 10.5194/se-10-27-2019

Fagereng, Åke and Toy, Virginia G. 2019. Fluid-pressure effects on deformation: analysis of the Lusi mud volcano [Chapter 5]. In: Billi, A and Fagereng, A eds. Problems and Solutions in Structural Geology and Tectonics, Vol. 5. Developments in Structural Geology and Tectonics, Elsevier, pp. 67-74. (10.1016/B978-0-12-814048-2.00005-3)

Fagereng, Åke 2019. What do earthquake magnitudes mean? example of the Kaikoura, New Zealand, 2016 Event [Chapter 4]. In: Billi, A and Fagereng, A eds. Problems and Solutions in Structural Geology and Tectonics, Vol. 5. Developments in Structural Geology and Tectonics, Elsevier, pp. 57-64. (10.1016/B978-0-12-814048-2.00004-1)

Fagereng, Ake and MacLeod, Christopher 2019. On seismicity and structural style of oceanic transform faults: A field geological perspective from the Troodos Ophiolite, Cyprus. In: Duarte, Joao S. ed. Transform Plate Boundaries and Fracture Zones, Elsevier Books, pp. 437-459. (10.1016/B978-0-12-812064-4.00018-9)

Fagereng, Ake, Diener, Johann F.A., Ellis, Susan and Remitti, Francesca 2018. Fluid-related deformation processes at the up- and downdip limits of the subduction thrust seismogenic zone: What do the rocks tell us? In: Byrne, Timothy, Underwood, Michael B., Fisher, Donald, McNeill, Lisa, Saffer, Demian, Ujiie, Kohtaro and Yamaguchi, Asuka eds. Geology and Tectonics of Subduction Zones: A Tribute to Gaku Kimura, Vol. 534. GSA Special Papers, Geological Society of America, (10.1130/2018.2534(12))

Ujiie, Kohtaro, Saishu, Hanae, Fagereng, Åke, Nishiyama, Naoki, Otsubo, Makoto, Masuyama, Haruna and Kagi, Hiroyuki 2018. An explanation of episodic tremor and slow slip constrained by crack-seal veins and viscous shear in subduction mélange. Geophysical Research Letters 45 (11) , pp. 5371-5379. 10.1029/2018GL078374

Hodge, Michael, Fagereng, Ake, Biggs, Juliet and Mdala, Hassan 2018. Controls on early‐rift geometry: new perspectives from the Bilila‐Mtakataka fault, Malawi. Geophysical Research Letters 10.1029/2018gl077343

Webber, Sam, Ellis, Susan and Fagereng, Ake 2018. "Virtual shear box" experiments of stress and slip cycling within a subduction interface mélange. Earth and Planetary Science Letters 488 , pp. 27-35. 10.1016/j.epsl.2018.01.035

Hodge, Michael, Fagereng, Ake and Biggs, J. 2018. The role of coseismic Coulomb stress changes in shaping the hard-link between normal fault segments. Journal of Geophysical Research: Solid Earth 123 (1) , pp. 797-814. 10.1002/2017JB014927

Fagereng, Ake, Diener, Johann F. A., Meneghini, Francesca, Harris, Chris and Kvadsheim, Ada 2018. Quartz vein formation by local dehydration embrittlement along the deep, tremorgenic subduction thrust interface. Geology 46 (1) , pp. 67-70. 10.1130/G39649.1

Meneghini, Francesca, Fagereng, Ake and Kisters, Alex 2017. The matchless amphibolite of the Damara belt, Namibia: unique preservation of a late Neoproterozoic ophiolitic suture. Ofioliti 42 (2) , pp. 129-145. 10.4454/ofioliti.v42i2.488

Fagereng, Ake and den Hartog, Sabine A. M. 2017. Subduction megathrust creep governed by pressure solution and frictional-viscous flow. Nature Geoscience 10 (1) , pp. 51-57. 10.1038/ngeo2857

Diener, J. F. A., Fagereng, Ake and Thomas, S.A.J. 2016. Mid-crustal shear zone development under retrograde conditions: pressure–temperature–fluid constraints from the Kuckaus Mylonite Zone, Namibia. Solid Earth 7 (5) , pp. 1331-1347. 10.5194/se-7-1331-2016

Cross, C. B., Diener, J. F. A. and Fagereng, Ake 2015. Metamorphic imprint of accretion and ridge subduction in the Pan-African Damara Belt, Namibia. Journal of Metamorphic Geology 33 (6) , pp. 633-648. 10.1111/jmg.12139

Ellis, Susan, Fagereng, Ake, Barker, Dan, Henrys, Stuart, Saffer, Demian, Wallace, Laura, Williams, Charles and Harris, Rob 2015. Fluid budgets along the northern Hikurangi subduction margin, New Zealand: the effect of a subducting seamount on fluid pressure. Geophysical Journal International 202 (1) , pp. 277-297. 10.1093/gji/ggv127

Smit, Louis, Fagereng, Ake, Braeuer, Benjamin and Stankiewicz, Jacek 2015. Microseismic activity and basement controls on an active intraplate strike-slip fault, Ceres-Tulbagh, South Africa. Bulletin of the Seismological Society of America 105 (3) , pp. 1540-1547. 10.1785/0120140262

Senger, Kim, Buckley, Simon J., Chevallier, Luc, Fagereng, Ake, Galland, Olivier, Kurz, Tobias H., Ogata, Kei, Planke, Sverre and Tveranger, Jan 2015. Fracturing of doleritic intrusions and associated contact zones: Implications for fluid flow in volcanic basins. Journal of African Earth Sciences 102 , pp. 70-85. 10.1016/j.jafrearsci.2014.10.019

Fagereng, Ake and Byrnes, Gregory 2015. A range of fault slip styles on progressively misoriented planes during flexural-slip folding, Cape Fold Belt, South Africa. Journal of Structural Geology 70 , pp. 156-169. 10.1016/j.jsg.2014.12.001

Faber, Carly, Rowe, Christie D., Miller, Jodie A., Fagereng, Ake and Neethling, Jan H. 2014. Silica gel in a fault slip surface: Field evidence for palaeo-earthquakes? Journal of Structural Geology 69 (A) , pp. 108-121. 10.1016/j.jsg.2014.09.021

Meneghini, Francesca, Kisters, Alex, Buick, Ian and Fagereng, Ake 2014. Fingerprints of late Neoproterozoic ridge subduction in the Pan-African Damara belt, Namibia. Geology 42 (10) , pp. 903-906. 10.1130/G35932.1

Fagereng, Ake 2014. Significant shortening by pressure solution creep in the Dwyka diamictite, Cape Fold Belt, South Africa. Journal of African Earth Sciences 97 , pp. 9-18. 10.1016/j.jafrearsci.2014.04.022

Diener, Johann F. A. and Fagereng, Ake 2014. The influence of melting and melt drainage on crustal rheology during orogenesis. Journal of Geophysical Research: Solid Earth 119 (8) , pp. 6193-6210. 10.1002/2014JB011088

Fagereng, Åke, Hillary, Graeme W. B. and Diener, Johann F. A. 2014. Brittle-viscous deformation, slow slip and tremor. Geophysical Research Letters 41 (12) , pp. 4159-4167. 10.1002/2014GL060433

Fagereng, Ake and Harris, C. 2014. Interplay between fluid flow and fault-fracture mesh generation within underthrust sediments: Geochemical evidence from the Chrystalls Beach Complex, New Zealand. Tectonophysics 612-3 , pp. 147-157. 10.1016/j.tecto.2013.12.002

Fagereng, Ake, Smith, Zach, Rowe, Christie D., Makhubu, Bandile and Sylvester, Fernando Y. G. 2014. Stress, strain, and fault behavior at a thrust ramp: Insights from the Naukluft thrust, Namibia. Journal of Structural Geology 58 , pp. 95-107. 10.1016/j.jsg.2013.11.002

Rennie, S. F., Fagereng, Ake and Diener, J. F. A. 2013. Strain distribution within a km-scale, mid-crustal shear zone: The Kuckaus Mylonite Zone, Namibia. Journal of Structural Geology 56 , pp. 57-69. 10.1016/j.jsg.2013.09.001

Fagereng, Ake 2013. Fault segmentation, deep rift earthquakes and crustal rheology: Insights from the 2009 Karonga sequence and seismicity in the Rukwa-Malawi rift zone. Tectonophysics 601 , pp. 216-225. 10.1016/j.tecto.2013.05.012

Harris, C., Fourie, D. S. and Fagereng, Ake 2013. Stable isotope evidence for impact-related pseudotachylite formation at Vredefort by local melting of dry rocks. South African Journal of Geology 116 (1) , pp. 101-118. 10.2113/gssajg.116.1.101

Fagereng, Ake 2013. On stress and strain in a continuous-discontinuous shear zone undergoing simple shear and volume loss. Journal of Structural Geology 50 , pp. 44-53. 10.1016/j.jsg.2012.02.016

Treasure, Anne M., Moloney, Coleen L., Bester, Marthan N., McQuaid, Christopher D., Findlay, Ken P., Best, Peter B., Cowan, Don A., de Bruyn, P. J. Nico, Dorrington, Rosemary A., Fagereng, Ake, Froneman, P. William, Grantham, Geoff H., Hunt, Brian P. V., Meiklejohn, K. Ian, Pakhomov, Evgeny A., Roychoudhury, Alakendra N., Ryan, Peter G., Smith, Valdon R., Chown, Steven L. and Ansorge, Isabelle J. 2013. South African research in the Southern Ocean: New opportunities but serious challenges. South African Journal of Science 109 (3-4) , pp. 2-5. 10.1590/sajs.2013/a009

Wallace, Laura M., Fagereng, Ake and Ellis, Susan 2012. Upper plate tectonic stress state may influence interseismic coupling on subduction megathrusts. Geology 40 (10) , pp. 895-898. 10.1130/G33373.1

Rowe, Christie D., Fagereng, Ake, Miller, Jodie A. and Mapani, Ben 2012. Signature of coseismic decarbonation in dolomitic fault rocks of the Naukluft Thrust, Namibia. Earth and Planetary Science Letters 333-4 , pp. 200-210. 10.1016/j.epsl.2012.04.030

Fagereng, Ake 2012. A note on folding mechanisms in the Cape Fold Belt, South Africa. South African Journal of Geology 115 (2) , pp. 137-144. 10.2113/gssajg.115.2.137

Fagereng, Ake and Diener, Johann F. A. 2011. San Andreas Fault tremor and retrograde metamorphism. Geophysical Research Letters 38 (23) , L23303. 10.1029/2011GL049550

Fagereng, Ake, Remitti, Francesca and Sibson, Richard H. 2011. Incrementally developed slickenfibers - Geological record of repeating low stress-drop seismic events? Tectonophysics 510 (3-4) , pp. 381-386. 10.1016/j.tecto.2011.08.015

Fagereng, Ake and Diener, Johann F. A. 2011. Non-volcanic tremor and discontinuous slab dehydration. Geophysical Research Letters 38 (15) , L15302. 10.1029/2011GL048214

Fagereng, Ake 2011. Wedge geometry, mechanical strength, and interseismic coupling of the Hikurangi subduction thrust, New Zealand. Tectonophysics 507 (1-4) , pp. 26-30. 10.1016/j.tecto.2011.05.004

Fagereng, Ake 2011. Frequency-size distribution of competent lenses in a block-in-matrix melange: Imposed length scales of brittle deformation? Journal of Geophysical Research: Solid Earth 116 (B5) 10.1029/2010JB007775

Fagereng, Ake 2011. Fractal vein distributions within a fault-fracture mesh in an exhumed accretionary melange, Chrystalls Beach Complex, New Zealand. Journal of Structural Geology 33 (5) , pp. 918-927. 10.1016/j.jsg.2011.02.009

Fagereng, Ake 2011. Geology of the seismogenic subduction thrust interface. Geological Society, London, Special Publications 359 (1) , pp. 55-76. 10.1144/SP359.4

Fagereng, Ake and Toy, V. G. 2011. Geology of the earthquake source: an introduction. Geological Society, London, Special Publications 359 (1) , pp. 1-16. 10.1144/SP359.1

Fagereng, Ake and Cooper, A. F. 2010. The metamorphic history of rocks buried, accreted and exhumed in an accretionary prism: an example from the Otago Schist, New Zealand. Journal of Metamorphic Geology 28 (9) , pp. 935-954. 10.1111/j.1525-1314.2010.00900.x

Fagereng, Ake and Sibson, Richard H. 2010. Mélange rheology and seismic style. Geology 38 (8) , pp. 751-754. 10.1130/G30868.1

Fagereng, Ake, Remitti, Francesca and Sibson, Richard H. 2010. Shear veins observed within anisotropic fabric at high angles to the maximum compressive stress [Letter]. Nature Geoscience 3 (7) , pp. 482-485. 10.1038/NGEO898

Fagereng, Ake and Cooper, Alan F. 2010. Petrology of metabasalts from the Chrystalls Beach accretionary melange - implications for tectonic setting and terrane origin. New Zealand Journal of Geology and Geophysics 53 (1) , pp. 57-70. 10.1080/00288301003631806

Wallace, Laura M., Reyners, Martin, Cochran, Ursula, Bannister, Stephen, Barnes, Philip M., Berryman, Kelvin, Downes, Gaye, Eberhart-Phillips, Donna, Fagereng, Ake, Ellis, Susan, Nicol, Andrew, McCaffrey, Robert, Beavan, R. John, Henrys, Stuart, Sutherland, Rupert, Barker, Daniel H. N., Litchfield, Nicola, Townend, John, Robinson, Russell, Bell, Rebecca, Wilson, Kate and Power, William 2009. Characterizing the seismogenic zone of a major plate boundary subduction thrust: Hikurangi Margin, New Zealand. Geochemistry, Geophysics, Geosystems 10 (10) 10.1029/2009GC002610

Scott, J. M., Palin, J. M., Cooper, A. F., Fagereng, Ake and King, R. P. 2009. Polymetamorphism, zircon growth and retention of early assemblages through the dynamic evolution of a continental arc in Fiordland, New Zealand. Journal of Metamorphic Geology 27 (4) , pp. 281-294. 10.1111/j.1525-1314.2009.00817.x

Fagereng, Ake and Ellis, Susan 2009. On factors controlling the depth of interseismic coupling on the Hikurangi subduction interface, New Zealand. Earth and Planetary Science Letters 278 (1/2) , pp. 120-130. 10.1016/j.epsl.2008.11.033

Fagereng, Ake, Harris, Chris, La Grange, Mandy and Stevens, Gary 2008. Stable isotope study of the Archaean rocks of the Vredefort impact structure, central Kaapvaal Craton, South Africa. Contributions to Mineralogy and Petrology 155 (1) , pp. 63-78. 10.1007/s00410-007-0224-6