Cascade and pre-slip models oversimplify the complexity of earthquake preparation in nature

P Martínez-Garzón, P Poli - Communications Earth & Environment, 2024 - nature.com
Earthquake precursory processes have been central to scientific inquiry for nearly a century.
Recent advancements in earthquake monitoring, geodesy, and data analysis including …

A laboratory perspective on accelerating preparatory processes before earthquakes and implications for foreshock detectability

THW Goebel, V Schuster, G Kwiatek, K Pandey… - Nature …, 2024 - nature.com
Dynamic failure in the laboratory is commonly preceded by many foreshocks which
accompany premonitory aseismic slip. Aseismic slip is also thought to govern earthquake …

Intermittent criticality multi‐scale processes leading to large slip events on rough laboratory faults

G Kwiatek, P Martínez‐Garzón, T Goebel… - Journal of …, 2024 - Wiley Online Library
We discuss data of three laboratory stick‐slip experiments on Westerly Granite samples
performed at elevated confining pressure and constant displacement rate on rough fracture …

Physical Mechanism for a Temporal Decrease of the Gutenberg‐Richter b‐Value Prior to a Large Earthquake

R Ito, Y Kaneko - Journal of Geophysical Research: Solid Earth, 2023 - Wiley Online Library
Observations of seismicity prior to large earthquakes show that the slope of a Gutenberg‐
Richter magnitude‐frequency relation, referred to as ab‐value, sometimes decreases with …

Pre-failure strain localization in siliclastic rocks: A comparative study of laboratory and numerical approaches

P Bianchi, PA Selvadurai, L Dal Zilio… - Rock Mechanics and …, 2024 - Springer
We combined novel laboratory techniques and numerical modeling to investigate (a)
seismic preparatory processes associated with deformation localization during a triaxial …

Off-fault deformation feedback and strain localization precursor during laboratory earthquakes

GG Meyer, C Giorgetti, S Guérin-Marthe… - Communications Earth & …, 2024 - nature.com
Recent large-scale seismological observations have shown that off-fault strain localization
and foreshock migration could serve as an early warning of an impending earthquake …

Inferring damage state and evolution with increasing stress using direct and coda wave velocity measurements in faulted and intact granite samples

K Pandey, T Taira, G Dresen… - Geophysical Journal …, 2023 - academic.oup.com
SUMMARY A better understanding of damage accumulation before dynamic failure events
in geological material is essential to improve seismic hazard assessment. Previous research …

Slow slip as an indicator of fault stress criticality

V Lambert - Geophysical Research Letters, 2024 - Wiley Online Library
Fault regions inferred to be slowly slipping are interpreted to accommodate much of tectonic
plate motion aseismically and potentially serve as barriers to earthquake rupture. Here, we …

Laboratory Shear Behavior of Tensile-and Shear-Induced Fractures in Sandstone: Insights from Acoustic Emission

S Miao, PZ Pan, A Zang, C Zhang, H Hofmann… - Rock Mechanics and …, 2024 - Springer
The distinction between the shear behavior of tensile-and shear-induced fractures is critical
to understanding the deformation and failure of geologic discontinuities at different scales …

Kinematic inversion of aseismic fault slip during the nucleation of laboratory earthquakes

P Dublanchet, FX Passelègue… - Journal of …, 2024 - Wiley Online Library
Decades of geophysical monitoring have revealed the importance of slow aseismic fault slip
in the release of tectonic energy. Although significant progress have been made in imaging …