Mechanics of slow earthquake phenomena: an Integrated perspective from the Composition, geometry, And rheology of plate boundary faults

Afterslip Moment Scaling and Variability From a Global Compilation of Estimates

Autori: R. M. Churchill, M. J. Werner, J. Biggs, Å. Fagereng
Pubblicato in: Journal of Geophysical Research: Solid Earth, Numero 127, 2022, Pagina/e e2021JB023897, ISSN 2169-9313
Editore: American Geophysical Union
DOI: 10.1029/2021jb023897

Is complex fault zone behaviour a reflection of rheological heterogeneity?

Autori: Å. Fagereng, A. Beall
Pubblicato in: Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences, Numero 379/2193, 2021, Pagina/e 20190421, ISSN 1364-503X
Editore: Royal Society of London
DOI: 10.1098/rsta.2019.0421

Sources and Effects of Fluids in Continental Retrograde Shear Zones: Insights from the Kuckaus Mylonite Zone, Namibia

Autori: C. A. Stenvall, A. Fagereng, J. F. A. Diener, C. Harris, P. E. Janney
Pubblicato in: Geofluids, Numero 2020, 2020, Pagina/e 1-21, ISSN 1468-8115
Editore: Blackwell Publishing Inc.
DOI: 10.1155/2020/3023268

Mixed Brittle and Viscous Strain Localization in Pelagic Sediments Seaward of the Hikurangi Margin, New Zealand

Autori: Harold Leah, Åke Fagereng, Francesca Meneghini, Julia K. Morgan, Heather M. Savage, Maomao Wang, Rebecca Bell, Matt J. Ikari
Pubblicato in: Tectonics, Numero 39/8, 2020, Pagina/e e2019TC005965, ISSN 0278-7407
Editore: American Geophysical Union
DOI: 10.1029/2019tc005965

Heterogeneous Subgreenschist Deformation in an Exhumed Sediment-Poor Mélange

Autori: H. Leah, Å. Fagereng, N. Groome, D. Buchs, A. Eijsink, A. Niemeijer
Pubblicato in: Journal of Geophysical Research: Solid Earth, Numero 127, 2022, Pagina/e e2022JB024353, ISSN 2169-9313
Editore: American Geophysical Union
DOI: 10.1029/2022jb024353

Influence of Subduction Zone Dynamics on Interface Shear Stress and Potential Relationship With Seismogenic Behavior

Autori: Adam Beall, Åke Fagereng, J. Huw Davies, Fanny Garel, D. Rhodri Davies
Pubblicato in: Geochemistry, Geophysics, Geosystems, Numero 22/2, 2021, Pagina/e e2020GC009267, ISSN 1525-2027
Editore: Geochemical Society
DOI: 10.1029/2020gc009267

Shear Zone Development in Serpentinized Mantle: Implications for the Strength of Oceanic Transform Faults

Autori: Sophie Cox, Åke Fagereng, Christopher J. MacLeod
Pubblicato in: Journal of Geophysical Research: Solid Earth, Numero 126/5, 2021, Pagina/e e2020JB020763, ISSN 2169-9313
Editore: American Geophysical Union
DOI: 10.1029/2020jb020763

Variable In Situ Stress Orientations Across the Northern Hikurangi Subduction Margin

Autori: D. D. McNamara, E. Behboudi, L. Wallace, D. Saffer, A. E. Cook, A. Fagereng, M. Paganoni, Hung‐Yu Wu, G. Kim, H. Lee, H. M. Savage, P. Barnes, I. Pecher, L. J. LeVay, K. E. Petronotis
Pubblicato in: Geophysical Research Letters, Numero 48/5, 2021, Pagina/e e2020GL091707, ISSN 0094-8276
Editore: American Geophysical Union
DOI: 10.1029/2020gl091707

Megathrust shear modulated by Albite Metasomatism in subduction mélanges

Autori: Kohtaro Ujiie; Kazuya Noro; Norio Shigematsu; Åke Fagereng; Naoki Nishiyama; Christopher J. Tulley; Haruna Masuyama; Yasushi Mori; Hiroyuki Kagi
Pubblicato in: Geochemistry, Geophysics, Geosystems, Numero 23, 2022, Pagina/e e2022GC010569, ISSN 1525-2027
Editore: Geochemical Society
DOI: 10.1029/2022gc010569

Asymmetric Brittle Deformation at the Pāpaku Fault, Hikurangi Subduction Margin, NZ, IODP Expedition 375

Autori: Heather M. Savage, Srisharan Shreedharan, Åke Fagereng, Julia K. Morgan, Francesca Meneghini, Maomao Wang, David D. McNamara, Laura M. Wallace, Demian M. Saffer, Philip M. Barnes, Katerina E. Petronotis, Leah J. LeVay
Pubblicato in: Geochemistry, Geophysics, Geosystems, Numero 22/8, 2021, Pagina/e e2021GC009662, ISSN 1525-2027
Editore: Geochemical Society
DOI: 10.1029/2021gc009662

Frictional Characteristics of Oceanic Transform Faults: Progressive Deformation and Alteration Controls Seismic Style

Autori: Matt Ikari; Ake Fagereng; Christopher MacLeod; Sophie Cox
Pubblicato in: Geophysical Research Letters, Numero 24, 2021, Pagina/e e2021GL096292, ISSN 0094-8276
Editore: American Geophysical Union
DOI: 10.1029/2021gl096292

Linking Earthquake Magnitude-Frequency Statistics and Stress in Visco-Frictional Fault Zone Models

Autori: Adam Beall, Martijn van den Ende, Jean-Paul Ampuero, Fabio A. Capitanio, Åke Fagereng
Pubblicato in: Geophysical Research Letters, Numero 49, 2022, Pagina/e e2022GL099247, ISSN 0094-8276
Editore: American Geophysical Union
DOI: 10.1029/2022gl099247

Low‐Temperature Frictional Characteristics of Chlorite‐Epidote‐Amphibole Assemblages: Implications for Strength and Seismic Style of Retrograde Fault Zones

Autori: Åke Fagereng, Matt J. Ikari
Pubblicato in: Journal of Geophysical Research: Solid Earth, Numero 125/4, 2020, Pagina/e e2020JB019487, ISSN 2169-9313
Editore: American Geophysical Union
DOI: 10.1029/2020jb019487

Embrittlement within viscous shear zones across the base of the subduction thrust seismogenic zone

Autori: C. J. Tulley; Å. Fagereng; K. Ujiie; J. F. A. Diener; C. Harris
Pubblicato in: Geochemistry, Geophysics, Geosystems, Numero 23, 2022, Pagina/e e2021GC010208, ISSN 1525-2027
Editore: Geochemical Society
DOI: 10.1029/2021gc010208

Rheology of Naturally Deformed Antigorite Serpentinite: Strain and Strain-Rate Dependence at Mantle-Wedge Conditions

Autori: C. J. Tulley, Å. Fagereng, K. Ujiie, S. Piazolo, M. S. Tarling, Y. Mori
Pubblicato in: Geophysical Research Letters, Numero 49, 2022, Pagina/e e2022GL098945, ISSN 0094-8276
Editore: American Geophysical Union
DOI: 10.1029/2022gl098945

Controls on Early-Rift Geometry: New Perspectives From the Bilila-Mtakataka Fault, Malawi

Autori: M. Hodge, Å. Fagereng, J. Biggs, H. Mdala
Pubblicato in: Geophysical Research Letters, Numero 45/9, 2018, Pagina/e 3896-3905, ISSN 0094-8276
Editore: American Geophysical Union
DOI: 10.1029/2018gl077343

Quartz vein formation by local dehydration embrittlement along the deep, tremorgenic subduction thrust interface

Autori: Åke Fagereng, Johann F.A. Diener, Francesca Meneghini, Chris Harris, Ada Kvadsheim
Pubblicato in: Geology, Numero 46/1, 2017, Pagina/e 67-70, ISSN 0091-7613
Editore: Geological Society of America
DOI: 10.1130/G39649.1

An Explanation of Episodic Tremor and Slow Slip Constrained by Crack-Seal Veins and Viscous Shear in Subduction Mélange

Autori: Kohtaro Ujiie, Hanae Saishu, Åke Fagereng, Naoki Nishiyama, Makoto Otsubo, Haruna Masuyama, Hiroyuki Kagi
Pubblicato in: Geophysical Research Letters, Numero 45/11, 2018, Pagina/e 5371-5379, ISSN 0094-8276
Editore: American Geophysical Union
DOI: 10.1029/2018GL078374

New perspectives on ‘geological strain rates’ calculated from both naturally deformed and actively deforming rocks

Autori: Åke Fagereng, Juliet Biggs
Pubblicato in: Journal of Structural Geology, Numero 125, 2019, Pagina/e 100-110, ISSN 0191-8141
Editore: Pergamon Press Ltd.
DOI: 10.1016/j.jsg.2018.10.004

Strength of Strained Two‐Phase Mixtures: Application to Rapid Creep and Stress Amplification in Subduction Zone Mélange

Autori: Adam Beall, Åke Fagereng, Susan Ellis
Pubblicato in: Geophysical Research Letters, Numero 46/1, 2019, Pagina/e 169-178, ISSN 0094-8276
Editore: American Geophysical Union
DOI: 10.1029/2018gl081252

The contemporary force balance in a wide accretionary wedge: numerical models of the southcentral Hikurangi margin of New Zealand

Autori: Susan Ellis, Francesca Ghisetti, Philip M Barnes, Carolyn Boulton, Åke Fagereng, Susanne Buiter
Pubblicato in: Geophysical Journal International, Numero 219/2, 2019, Pagina/e 776-795, ISSN 0956-540X
Editore: Geological Society by Blackwell Scientific
DOI: 10.1093/gji/ggz317

Lower crustal earthquakes in the East African Rift System: Insights from frictional properties of rock samples from the Malawi rift

Autori: Nina Hellebrekers, André R. Niemeijer, Åke Fagereng, Blackwell Manda, Richard L.S. Mvula
Pubblicato in: Tectonophysics, Numero 767, 2019, Pagina/e 228167, ISSN 0040-1951
Editore: Elsevier BV
DOI: 10.1016/j.tecto.2019.228167

Weaker Than Weakest: On the Strength of Shear Zones

Autori: Christian A. Stenvall, Åke Fagereng, Johann F. A. Diener
Pubblicato in: Geophysical Research Letters, Numero 46/13, 2019, Pagina/e 7404-7413, ISSN 0094-8276
Editore: American Geophysical Union
DOI: 10.1029/2019gl083388

Mixed deformation styles observed on a shallow subduction thrust, Hikurangi margin, New Zealand

Autori: Å. Fagereng, H.M. Savage, J.K. Morgan, M. Wang, F. Meneghini, P.M. Barnes, R. Bell, H. Kitajima, D.D. McNamara, D.M. Saffer, L.M. Wallace, K. Petronotis, L. LeVay
Pubblicato in: Geology, Numero 47/9, 2019, Pagina/e 872-876, ISSN 0091-7613
Editore: Geological Society of America
DOI: 10.1130/g46367.1

Fracture and Weakening of Jammed Subduction Shear Zones, Leading to the Generation of Slow Slip Events

Autori: Adam Beall, Åke Fagereng, Susan Ellis
Pubblicato in: Geochemistry, Geophysics, Geosystems, Numero 20/11, 2019, Pagina/e 4869-4884, ISSN 1525-2027
Editore: Geochemical Society
DOI: 10.1029/2019gc008481

Slow slip source characterized by lithological and geometric heterogeneity

Autori: Philip M. Barnes, Laura M. Wallace, Demian M. Saffer, Rebecca E. Bell, Michael B. Underwood, Ake Fagereng, Francesca Meneghini, Heather M. Savage, Hannah S. Rabinowitz, Julia K. Morgan, Hiroko Kitajima, Steffen Kutterolf, Yoshitaka Hashimoto, Christie H. Engelmann de Oliveira, Atsushi Noda, Martin P. Crundwell, Claire L. Shepherd, Adam D. Woodhouse, Robert N. Harris, Maomao Wang, Stuart Henrys, Da
Pubblicato in: Science Advances, Numero 6/13, 2020, Pagina/e eaay3314, ISSN 2375-2548
Editore: American Association for the Advancement of Science
DOI: 10.1126/sciadv.aay3314

The northern Hikurangi margin three-dimensional plate interface in New Zealand remains rough 100 km from the trench

Autori: Harold Leah, Åke Fagereng, Ian Bastow, Rebecca Bell, Victoria Lane, Stuart Henrys, Katie Jacobs, Bill Fry
Pubblicato in: Geology, Numero 50, 2022, Pagina/e 1256-1260, ISSN 0091-7613
Editore: Geological Society of America
DOI: 10.1130/g50272.1

Inherited Heterogeneities Can Control Viscous Subduction Zone Deformation of Carbonates at Seismogenic Depths

Autori: H. Leah, Å. Fagereng
Pubblicato in: Geophysical Research Letters, Numero 49, 2022, Pagina/e e2022GL099358, ISSN 0094-8276
Editore: American Geophysical Union
DOI: 10.1029/2022gl099358

Geological constraints on the mechanisms of slow earthquakes

Autori: James D. Kirkpatrick, Åke Fagereng, David R. Shelly
Pubblicato in: Nature Reviews Earth & Environment, Numero 2/4, 2021, Pagina/e 285-301, ISSN 2662-138X
Editore: Springer Nature
DOI: 10.1038/s43017-021-00148-w

Tectonic pressure gradients during viscous creep drive fluid flow and brittle failure at the base of the seismogenic zone

Autori: Luca Menegon, Åke Fagereng
Pubblicato in: Geology, Numero 49, 2021, Pagina/e 1255–1259, ISSN 0091-7613
Editore: Geological Society of America
DOI: 10.1130/g49012.1

The role of quartz cementation in the seismic cycle: a critical review

Autori: Randolph T. Williams; Åke Fagereng
Pubblicato in: Reviews of Geophysics, Numero 60, 2021, Pagina/e e2021RG000768, ISSN 8755-1209
Editore: American Geophysical Union
DOI: 10.1029/2021rg000768

Hydrous oceanic crust hosts megathrust creep at low shear stresses

Autori: Christopher J. Tulley, Åke Fagereng, Kohtaro Ujiie
Pubblicato in: Science Advances, Numero 6/22, 2020, Pagina/e eaba1529, ISSN 2375-2548
Editore: American Association for the Advancement of Science
DOI: 10.1126/sciadv.aba1529

Mechanical evolution, fluid pressure generation, and shallow slow slip in subducton zones

Autori: Harold Leah
Pubblicato in: 2021
Editore: Cardiff University

Sources and effects of fluids in continental retrograde shear zones

Autori: Christian Stenvall
Pubblicato in: 2020
Editore: Cardiff University

Geology of the subduction thrust: insights from exhumed shear zones on Kyushu, SW Japan

Autori: Christopher Tulley
Pubblicato in: 2021
Editore: Cardiff University

Taking to the seas to discover how the Earth’s surface moves

Autori: Ake Fagereng
Pubblicato in: Futurum Careers, Numero 4, 2020, Pagina/e 76, ISSN 2632-8399
Editore: Sci-Comm Consulting
DOI: 10.33424/futurum44

Autori: Ake Fagereng, Johann F. A. Diener, Susan Ellis, Francesca Remitti
Pubblicato in: Geology and Tectonics of Subduction Zones: A Tribute to Gaku Kimura, Numero Geological Society of America Special Paper 534, 2018, Pagina/e 187-215, ISBN 9780-813725345
Editore: Geological Society of America
DOI: 10.1130/2018.2534(12)

On Seismicity and Structural Style of Oceanic Transform Faults: A Field Geological Perspective From the Troodos Ophiolite, Cyprus

Autori: Åke Fagereng, Christopher J. MacLeod
Pubblicato in: Transform Plate Boundaries and Fracture Zones, 2019, Pagina/e 437-459, ISBN 9780-128120644
Editore: Elsevier
DOI: 10.1016/b978-0-12-812064-4.00018-9

How we discovered the conditions behind 'slow earthquakes’ that happen over weeks or even months – new research

Autori: Ake Fagereng
Pubblicato in: The Conversation, 2020
Editore: The Conversation

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