Characterization of nucleation during laboratory earthquakes
By S. Latour, A. Schubnel, S. Nielsen, R. Madariaga, S. Vinciguerra. 2013
157 citations recorded by the source corpus.
We observe the nucleation phase of in‐plane ruptures in the laboratory. We show that the nucleation is composed of two distinct phases, a quasi‐static and an acceleration stage, followed by dynamic propagation. We propose an empirical model which describes the rupture length evolution: The quasi‐static phase is described by an exponential growth while the acceleration phase is described by an inverse power law of time. The transition from quasi‐static to accelerating rupture is related to the critical nucleation length, which scales inversely with normal stress in accordance with theoretical predictions, and to a critical surfacic power, which may be an intrinsic property of the interface. Finally, we discuss these results in the frame of previous studies and propose a scaling up to natural earthquake dimensions.
Subfields: Geophysics
View Paper: https://www.semanticscholar.org/paper/6b1c3a61a34e39dba026a3803642a52968718b85
How researchers see this paper
The researchers whose trusted networks rank it highest, strongest advocate first. Every researcher gets a different order.
In Geophysics
Citations in the corpus
- Earthquake Initiation From Laboratory Observations and Implications for Foreshocks (2019, background): “For some transparent glassy polymers, the rupture front can be tracked from changes in stress imaged optically (Guérin‐Marthe et al., 2019; Latour et al., 2013; Nielsen et al., 2010; Rosakis et al., 2006).”