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 …

Earthquake energy dissipation in a fracture mechanics framework

DS Kammer, GC McLaskey, RE Abercrombie… - Nature …, 2024 - nature.com
Earthquakes are rupture-like processes that propagate along tectonic faults and cause
seismic waves. The propagation speed and final area of the rupture, which determine an …

High‐Rate Fluid Injection Reduces the Nucleation Length of Laboratory Earthquakes on Critically Stressed Faults in Granite

Y Ji, L Wang, H Hofmann, G Kwiatek… - Geophysical Research …, 2022 - Wiley Online Library
We conducted fluid injection experiments on cylindrical low‐permeability granite samples
with a critically stressed sawcut fault at local injection rates of 0.2 and 0.8 mL/min and …

Preparatory slip in laboratory faults: Effects of roughness and load point velocity

S Guérin‐Marthe, G Kwiatek, L Wang… - Journal of …, 2023 - Wiley Online Library
Aseismic slip may occur during a long preparatory phase preceding earthquakes, and what
controls it remains poorly understood. In this study, we explored the role of load point …

Seismic events miss important kinematically governed grain scale mechanisms during shear failure of porous rock

A Cartwright-Taylor, MD Mangriotis, IG Main… - Nature …, 2022 - nature.com
Catastrophic failure in brittle, porous materials initiates when smaller-scale fractures localise
along an emergent fault zone in a transition from stable crack growth to dynamic rupture …

Fault size–dependent fracture energy explains multiscale seismicity and cascading earthquakes

AA Gabriel, DI Garagash, KH Palgunadi, PM Mai - Science, 2024 - science.org
Earthquakes vary in size over many orders of magnitude, often rupturing in complex
multifault and multievent sequences. Despite the large number of observed earthquakes, the …

How frictional slip evolves

S Shi, M Wang, Y Poles, J Fineberg - Nature Communications, 2023 - nature.com
Earthquake-like ruptures break the contacts that form the frictional interface separating
contacting bodies and mediate the onset of frictional motion (stick-slip). The slip (motion) of …

The role of background stress state in fluid‐induced aseismic slip and dynamic rupture on a 3‐m laboratory fault

SBL Cebry, CY Ke, GC McLaskey - Journal of Geophysical …, 2022 - Wiley Online Library
Fluid injection stimulates seismicity far from active tectonic regions. However, the details of
how fluids modify on‐fault stresses and initiate seismic events remain poorly understood …

[HTML][HTML] Fluid-driven slow slip and earthquake nucleation on a slip-weakening circular fault

A Sáez, B Lecampion - Journal of the Mechanics and Physics of Solids, 2024 - Elsevier
We investigate the propagation of fluid-driven fault slip on a slip-weakening frictional
interface separating two identical half-spaces of a three-dimensional elastic solid. Our focus …

A synthesis of fracture, friction and damage processes in earthquake rupture zones

Y Ben-Zion, G Dresen - Pure and Applied Geophysics, 2022 - Springer
We review properties and processes of earthquake rupture zones based on field studies,
laboratory observations, theoretical models and simulations, with the goal of assessing the …