Fracture energy and breakdown work during earthquakes

M Cocco, S Aretusini, C Cornelio… - Annual Review of …, 2023 - annualreviews.org
Large seismogenic faults consist of approximately meter-thick fault cores surrounded by
hundreds-of-meters-thick damage zones. Earthquakes are generated by rupture …

Meso-to nano-scale evidence of fluid-assisted co-seismic slip along the normal Mt. Morrone Fault, Italy: Implications for earthquake hydrogeochemical precursors

M Coppola, A Correale, MD Barberio, A Billi… - Earth and Planetary …, 2021 - Elsevier
Fluids play an important role in seismic faulting both at hypocentral depths during
earthquake nucleation and at shallower crustal levels during rupture propagation. Pre-to co …

Microstructures of Cleavage and Fault Mirror and Their Effects on Maturity and Pore Structure of Tectonically Deformed Shales

J Xiang, Y Wang, Y Zhu, S Chen, B Zhong, Q Cao… - Energy & …, 2024 - ACS Publications
Cleavage and fault mirror (FM) are commonly observed in tectonically deformed shales
(TDSs), but their microstructures and effects on reservoir properties are rarely reported. In …

Influence of effective stress and pore fluid pressure on fault strength and slip localization in carbonate slip zones

M Rempe, G Di Toro, TM Mitchell… - Journal of …, 2020 - Wiley Online Library
The presence of pressurized fluids influences the mechanical behavior of faults. To test the
roles of normal stress and fluid pressure on shear strength and localization behavior of …

Mechanical energy dissipation during seismic dynamic weakening in calcite‐bearing faults

S Aretusini, A Nuñez Cascajero… - Journal of …, 2024 - Wiley Online Library
Earthquakes are frictional instabilities caused by the shear stress decrease, that is, dynamic
weakening, of faults with slip and slip rate. During dynamic weakening, shear stress …

The role of grain boundaries in low‐temperature plasticity of olivine revealed by nanoindentation

D Avadanii, L Hansen, K Marquardt… - Journal of …, 2023 - Wiley Online Library
The rheological properties of olivine influence large‐scale, long‐term deformation
processes on rocky planets. Studies of the deformation of olivine at low temperatures and …

Principal slip zone in kaolinite gouge: A seismic slip indicator?

S Woo, R Han, K Oohashi - Journal of Structural Geology, 2023 - Elsevier
Some fault gouges (eg, kaolinite) exhibit velocity-strengthening behavior and slide stably at
low, subseismic slip rates (eg, 1–10 μm/s), accompanied by the preferential development of …

Fast and localized temperature measurements during simulated earthquakes in carbonate rocks

S Aretusini, A Núñez‐Cascajero… - Geophysical …, 2021 - Wiley Online Library
The understanding of earthquake physics is hindered by the poor knowledge of fault
strength and temperature evolution during seismic slip. Experiments reproducing seismic …

Microphysical modeling of carbonate fault friction at slip rates spanning the full seismic cycle

J Chen, AR Niemeijer, CJ Spiers - Journal of Geophysical …, 2021 - Wiley Online Library
Laboratory studies suggest that seismogenic rupture on faults in carbonate terrains can be
explained by a transition from high friction, at low sliding velocities (V), to low friction due to …

Seismic Cycle in Bituminous Dolostones (Monte Camicia Thrust Zone, Central Apennines, Italy)

M Chinello, E Bersan, M Fondriest… - Geochemistry …, 2023 - Wiley Online Library
Seismic ruptures often propagate along fault zones cutting km‐thick sequences of
carbonates (eg, Wenchuan Mw 7.8, 2008, China; L'Aquila Mw 6.1, 2009, Italy). As a …