Aseismic slip and seismogenic coupling along the central San Andreas Fault

R Jolivet, M Simons, PS Agram… - Geophysical …, 2015 - Wiley Online Library
We use high‐resolution Synthetic Aperture Radar‐and GPS‐derived observations of surface
displacements to derive the first probabilistic estimates of fault coupling along the creeping …

Accounting for prediction uncertainty when inferring subsurface fault slip

Z Duputel, PS Agram, M Simons… - Geophysical journal …, 2014 - academic.oup.com
This study lays the groundwork for a new generation of earthquake source models based on
a general formalism that rigorously quantifies and incorporates the impact of uncertainties in …

The earthquake‐source inversion validation (SIV) project

PM Mai, D Schorlemmer, M Page… - Seismological …, 2016 - pubs.geoscienceworld.org
Finite‐fault earthquake source inversions infer the (time‐dependent) displacement on the
rupture surface from geophysical data. The resulting earthquake source models document …

Accounting for uncertain fault geometry in earthquake source inversions–I: theory and simplified application

T Ragon, A Sladen, M Simons - Geophysical Journal …, 2018 - academic.oup.com
The ill-posed nature of earthquake source estimation derives from several factors including
the quality and quantity of available observations and the fidelity of our forward theory …

Long-period analysis of the 2016 Kaikoura earthquake

Z Duputel, L Rivera - Physics of the Earth and Planetary Interiors, 2017 - Elsevier
Abstract The recent M w= 7.8 Kaikoura (New Zealand) earthquake involved a remarkably
complex rupture propagating in an intricate network of faults at the transition between the …

The Bayesian earthquake analysis tool

H Vasyura‐Bathke, J Dettmer… - Seismological …, 2020 - pubs.geoscienceworld.org
The Bayesian earthquake analysis tool (BEAT) is an open‐source Python software to
conduct source‐parameter estimation studies for crustal deformation events, such as …

Probabilistic moment tensor inversion for hydrocarbon‐induced seismicity in the Groningen gas field, The Netherlands, Part 1: Testing

D Kühn, S Heimann, MP Isken… - Bulletin of the …, 2020 - pubs.geoscienceworld.org
Since 1991, induced earthquakes have been observed and linked to gas production in the
Groningen field. Recorded waveforms are complex, resulting partly from a Zechstein salt …

Seismic moment tensor inversion with theory errors from 2-D Earth structure: implications for the 2009–2017 DPRK nuclear blasts

J Hu, TS Phạm, H Tkalčić - Geophysical Journal International, 2023 - academic.oup.com
Determining the seismic moment tensor (MT) from the observed waveforms with available
Earth's structure models is known as seismic waveform MT inversion. It remains challenging …

Tile low rank Cholesky factorization for climate/weather modeling applications on manycore architectures

K Akbudak, H Ltaief, A Mikhalev, D Keyes - International Conference on …, 2017 - Springer
Covariance matrices are ubiquitous in computational science and engineering. In particular,
large covariance matrices arise from multivariate spatial data sets, for instance, in …

Accounting for theory errors with empirical Bayesian noise models in nonlinear centroid moment tensor estimation

H Vasyura-Bathke, J Dettmer, R Dutta… - Geophysical Journal …, 2021 - academic.oup.com
Centroid moment tensor (CMT) parameters can be estimated from seismic waveforms. Since
these data indirectly observe the deformation process, CMTs are inferred as solutions to …