Unsupervised clustering of catalogue-driven features for characterizing temporal evolution of labquake stress

S Karimpouli, G Kwiatek… - Geophysical Journal …, 2024 - academic.oup.com
Earthquake forecasting poses significant challenges, especially due to the elusive nature of
stress states in fault systems. To tackle this problem, we use features derived from seismic …

Similarity of fast and slow earthquakes illuminated by machine learning

C Hulbert, B Rouet-Leduc, PA Johnson, CX Ren… - Nature …, 2019 - nature.com
Tectonic faults fail in a spectrum of modes, ranging from earthquakes to slow slip events.
The physics of fast earthquakes are well described by stick–slip friction and elastodynamic …

Attention network forecasts time‐to‐failure in laboratory shear experiments

H Jasperson, DC Bolton, P Johnson… - Journal of …, 2021 - Wiley Online Library
Rocks under stress deform by creep mechanisms that include formation and slip on small‐
scale internal cracks. Intragranular cracks and slip along grain contacts release energy as …

Unsupervised classification of acoustic emissions from catalogs and fault time-to-failure prediction

HA Jasperson, DC Bolton, PA Johnson… - AGU Fall Meeting …, 2019 - ui.adsabs.harvard.edu
When a rock is subjected to stress it deforms by creep mechanisms that include formation
and slip on small-scale internal cracks. Intragranular cracks and slip along grain contacts …

Machine learning predicts the timing and shear stress evolution of lab earthquakes using active seismic monitoring of fault zone processes

S Shreedharan, DC Bolton, J Rivière… - Journal of Geophysical …, 2021 - Wiley Online Library
Abstract Machine learning (ML) techniques have become increasingly important in
seismology and earthquake science. Lab‐based studies have used acoustic emission data …

Identifying fault heterogeneity through mapping spatial anomalies in acoustic emission statistics

THW Goebel, TW Becker… - Journal of …, 2012 - Wiley Online Library
Seismicity clusters within fault zones can be connected to the structure, geometric
complexity and size of asperities which perturb and intensify the stress field in their …

Characterizing acoustic signals and searching for precursors during the laboratory seismic cycle using unsupervised machine learning

DC Bolton, P Shokouhi… - Seismological …, 2019 - pubs.geoscienceworld.org
Recent work shows that machine learning (ML) can predict failure time and other aspects of
laboratory earthquakes using the acoustic signal emanating from the fault zone. These …

Spatial pattern of the seismicity induced by geothermal operations at the Geysers (California) inferred by unsupervised machine learning

M Palo, E Ogliari, M Sakwa - IEEE Transactions on Geoscience …, 2024 - ieeexplore.ieee.org
We analyzed the earthquake density of the Geysers geothermal field (California) as a
function of time and space over a decade. We grouped parts of the volume of the geothermal …

Machine learning reveals cyclic changes in seismic source spectra in Geysers geothermal field

BK Holtzman, A Paté, J Paisley, F Waldhauser… - Science …, 2018 - science.org
The earthquake rupture process comprises complex interactions of stress, fracture, and
frictional properties. New machine learning methods demonstrate great potential to reveal …

Indicators of critical point behavior prior to rock failure inferred from pre-failure damage

X Lei, T Satoh - Tectonophysics, 2007 - Elsevier
To investigate possible indicators of critical point behavior prior to rock failure, the statistical
properties of pre-failure damage were analyzed based on acoustic emission events (AE) …