Distributed acoustic sensing turns fiber‐optic cables into sensitive seismic antennas

Z Zhan - Seismological Research Letters, 2020 - pubs.geoscienceworld.org
Distributed acoustic sensing (DAS) is a new, relatively inexpensive technology that is rapidly
demonstrating its promise for recording earthquake waves and other seismic signals in a …

Big data seismology

SJ Arrowsmith, DT Trugman, J MacCarthy… - Reviews of …, 2022 - Wiley Online Library
The discipline of seismology is based on observations of ground motion that are inherently
undersampled in space and time. Our basic understanding of earthquake processes and our …

Distributed acoustic sensing for seismic activity monitoring

MR Fernández-Ruiz, MA Soto, EF Williams… - Apl Photonics, 2020 - pubs.aip.org
Continuous, real-time monitoring of surface seismic activity around the globe is of great
interest for acquiring new insight into global tomography analyses and for recognition of …

Kinematic ground‐motion simulations on rough faults including effects of 3D stochastic velocity perturbations

R Graves, A Pitarka - Bulletin of the Seismological …, 2016 - pubs.geoscienceworld.org
We describe a methodology for generating kinematic earthquake ruptures for use in 3D
ground‐motion simulations over the 0–5 Hz frequency band. Our approach begins by …

An end‐to‐end earthquake detection method for joint phase picking and association using deep learning

W Zhu, KS Tai, SM Mousavi, P Bailis… - Journal of Geophysical …, 2022 - Wiley Online Library
Earthquake monitoring by seismic networks typically involves a workflow consisting of phase
detection/picking, association, and location tasks. In recent years, the accuracy of these …

Toward improved urban earthquake monitoring through deep-learning-based noise suppression

L Yang, X Liu, W Zhu, L Zhao, GC Beroza - Science advances, 2022 - science.org
Earthquake monitoring in urban settings is essential but challenging, due to the strong
anthropogenic noise inherent to urban seismic recordings. Here, we develop a deep …

High-resolution seismic event detection using local similarity for Large-N arrays

Z Li, Z Peng, D Hollis, L Zhu, J McClellan - Scientific reports, 2018 - nature.com
We develop a novel method for seismic event detection that can be applied to large-N
arrays. The method is based on a new detection function named local similarity, which …

Do low‐cost seismographs perform well enough for your network? An overview of laboratory tests and field observations of the OSOP Raspberry Shake 4D

RE Anthony, AT Ringler… - Seismological …, 2019 - pubs.geoscienceworld.org
Seismologists have recently begun using low‐cost nodal sensors in dense deployments to
sample the seismic wavefield at unprecedented spatial resolution. Earthquake early warning …

Identifying different classes of seismic noise signals using unsupervised learning

CW Johnson, Y Ben‐Zion, H Meng… - Geophysical Research …, 2020 - Wiley Online Library
Proper classification of nontectonic seismic signals is critical for detecting microearthquakes
and developing an improved understanding of ongoing weak ground motions. We use …

A methodological approach towards high-resolution surface wave imaging of the San Jacinto Fault Zone using ambient-noise recordings at a spatially dense array

P Roux, L Moreau, A Lecointre, G Hillers… - Geophysical Journal …, 2016 - academic.oup.com
We present a new technique for deriving detailed information on seismic velocities of the
subsurface material from continuous ambient noise recorded by spatially dense seismic …