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Member Since 2007
Ake Fagereng
Professor, Cardiff University
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Metamorphic Inheritance, Lower‐Crustal Earthquakes, and Continental Rifting
GEOCHEMISTRY, GEOPHYSICS, GEOSYSTEMS
07 march 2024
Ake Fagereng, Johann F. Diener, Christopher J. Tu...

The Malawi Rift is localized within Precambrian amphibolite‐granulite facies metamorphic belts, bounded by up to 150 km long border faul...

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Spatial Relationships Between Coseismic Slip, Aseismic Afterslip, and On‐Fault Aftershock Density in Continental Earthquakes
JOURNAL OF GEOPHYSICAL RESEARCH: SOLID EARTH
23 january 2024
Robert Churchill, Maximilian J. Werner, Juliet Big...

Damaging aftershock sequences often exhibit considerable spatio‐temporal complexity. The stress changes associated with coseismic slip and as...

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Relative Afterslip Moment Does Not Correlate With Aftershock Productivity: Implications for the Relationship Between Afterslip and Aftershocks
GEOPHYSICAL RESEARCH LETTERS
22 december 2022
Robert Churchill, Maximilian J. Werner, Juliet Big...

Aseismic afterslip has been proposed to drive aftershock sequences. Both afterslip moment and aftershock number broadly increase with mainshock siz...

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Non-linear viscous shear zones and a potential slow slip mechanism
COMPARATIVE INVESTIGATIONS OF SLOW-TO-FAST EARTHQUAKES: OBSERVATIONS, EXPERIMENTS, AND NUMERICAL MODELING V ORAL
tectonophysics | 15 december 2022
Lucy Lu, Ake Fagereng
Slow slip events (SSEs) are episodes of aseismic slip at rates of 0.1-1 m/year that are commonly temporally associated with tremors. SSEs have been ob...
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Mechanisms and Magnitudes of Quartz Cementation Impacting Fault Healing
FRICTIONAL, GEOLOGICAL, AND GEOPHYSICAL SIGNATURES OF FAULT HEALING: MECHANISMS AND IMPLICATIONS FOR DEFORMATION DURING THE EARTHQUAKE CYCLE III ORAL
tectonophysics | 14 december 2022
Randolph T. Williams, Ake Fagereng
Quartz veins are common in fault zones exhumed from earthquake nucleation temperatures (150°C350°C), and may record an important mechanism of strength...
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Linking Earthquake Magnitude‐Frequency Statistics and Stress in Visco‐Frictional Fault Zone Models
GEOPHYSICAL RESEARCH LETTERS
12 october 2022
Adam Beall, Martijn van den Ende, Jean P. Ampuero,...

The ability to estimate the likelihood of given earthquake magnitudes is critical for seismic hazard assessment. Earthquake magnitude‐recurre...

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Inherited Heterogeneities Can Control Viscous Subduction Zone Deformation of Carbonates at Seismogenic Depths
GEOPHYSICAL RESEARCH LETTERS
07 october 2022
Harold R. Leah, Ake Fagereng

This work links mineral‐scale deformation mechanisms with structural evolution during subduction, providing examples showing how grain‐...

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Embrittlement Within Viscous Shear Zones Across the Base of the Subduction Thrust Seismogenic Zone
GEOCHEMISTRY, GEOPHYSICS, GEOSYSTEMS
06 september 2022
Christopher J. Tulley, Ake Fagereng, Kohtaro Ujii...

Geophysical observations indicate that patches of localized fracturing occur within otherwise viscous regions of subduction plate boundaries. These...

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