Locating clustered seismicity using Distance Geometry Solvers: applications for sparse and single-borehole DAS networks

K Tuinstra, F Grigoli, F Lanza, AP Rinaldi… - Geophysical Journal …, 2024 - academic.oup.com
The determination of seismic event locations with sparse networks or single-borehole
systems remains a significant challenge in observational seismology. Leveraging the …

2-D probabilistic inversion of MT data and uncertainty quantification using the Hamiltonian Monte Carlo method

R Peng, B Han, X Hu, J Li, Y Liu - Geophysical Journal …, 2024 - academic.oup.com
Bayesian methods provide a valuable framework for rigorously quantifying the model
uncertainty arising from the inherent non-uniqueness in the magnetotelluric (MT) inversion …

VIP--Variational Inversion Package with example implementations of Bayesian tomographic imaging

X Zhang, A Curtis - arXiv preprint arXiv:2310.13325, 2023 - arxiv.org
Bayesian inference has become an important tool to solve inverse problems and to quantify
uncertainties in their solutions. Variational inference is a method that provides probabilistic …

Physically Structured Variational Inference for Bayesian Full Waveform Inversion

X Zhao, A Curtis - Authorea Preprints, 2024 - essopenarchive.org
Full waveform inversion (FWI) creates high resolution models of the Earth's subsurface
structures from seismic waveform data. Due to the non-linearity and non-uniqueness of FWI …

Randomising in and over Seismology

L Gebraad - 2024 - research-collection.ethz.ch
This thesis presents a collection of works centered on computational statistics in Bayesian
seismology. Bayesian seismology interprets inverse problems in seismology as questions of …

Sparsity-Induced Full Waveform Inversion: Variational Bayesian and Hamiltonian Monte Carlo Methods

D Urozayev, B Boddupalli, M Jordan… - Third EAGE Conference …, 2024 - earthdoc.org
This work considers regularization of seismic full waveform inversion (FWI), where the
sparsity of the underlying model is exploited together with spatial correlations using the so …