Full‐3‐D tomography for crustal structure in southern California based on the scattering‐integral and the adjoint‐wavefield methods

EJ Lee, P Chen, TH Jordan… - Journal of …, 2014 - Wiley Online Library
We have successfully applied full‐3‐D tomography (F3DT) based on a combination of the
scattering‐integral method (SI‐F3DT) and the adjoint‐wavefield method (AW‐F3DT) to …

EQSIM—A multidisciplinary framework for fault-to-structure earthquake simulations on exascale computers part I: Computational models and workflow

D McCallen, A Petersson, A Rodgers… - Earthquake …, 2021 - journals.sagepub.com
Computational simulations have become central to the seismic analysis and design of major
infrastructure over the past several decades. Most major structures are now “proof tested” …

Unified structural representation of the southern California crust and upper mantle

JH Shaw, A Plesch, C Tape, MP Suess… - Earth and Planetary …, 2015 - Elsevier
We present a new, 3D description of crust and upper mantle velocity structure in southern
California implemented as a Unified Structural Representation (USR). The USR is …

The collaborative seismic earth model: generation 1

A Fichtner, DP van Herwaarden… - Geophysical …, 2018 - Wiley Online Library
We present a general concept for evolutionary, collaborative, multiscale inversion of
geophysical data, specifically applied to the construction of a first‐generation Collaborative …

Detection and tracking of objects in underwater video

D Walther, DR Edgington… - Proceedings of the 2004 …, 2004 - ieeexplore.ieee.org
For oceanographic research, remotely operated underwater vehicles (ROVs) routinely
record several hours of video material each day. Manual processing of such large amounts …

Moving from 1-D to 3-D velocity model: automated waveform-based earthquake moment tensor inversion in the Los Angeles region

X Wang, Z Zhan - Geophysical Journal International, 2020 - academic.oup.com
Earthquake focal mechanisms put primary control on the distribution of ground motion, and
also bear on the stress state of the crust. Most routine focal mechanism catalogues still use 1 …

Off‐fault deformations and shallow slip deficit from dynamic rupture simulations with fault zone plasticity

D Roten, KB Olsen, SM Day - Geophysical Research Letters, 2017 - Wiley Online Library
Kinematic source inversions of major (M≥ 7) strike‐slip earthquakes show that the slip at
depth exceeds surface displacements measured in the field, and it has been suggested that …

ARRU phase picker: Attention recurrent‐residual U‐Net for picking seismic P‐and S‐phase arrivals

WY Liao, EJ Lee, D Mu, P Chen… - Seismological …, 2021 - pubs.geoscienceworld.org
Seismograms are convolution results between seismic sources and the media that seismic
waves propagate through, and, therefore, the primary observations for studying seismic …

High-frequency nonlinear earthquake simulations on petascale heterogeneous supercomputers

D Roten, Y Cui, KB Olsen, SM Day… - SC'16: Proceedings …, 2016 - ieeexplore.ieee.org
The omission of nonlinear effects in large-scale 3D ground motion estimation, which are
particularly challenging due to memory and scalability issues, can result in costly …

Evaluation of the southern California seismic velocity models through simulation of recorded events

R Taborda, S Azizzadeh-Roodpish… - Geophysical Journal …, 2016 - academic.oup.com
Significant effort has been devoted over the last two decades to the development of various
seismic velocity models for the region of southern California, United States. These models …