Sensing shallow structure and traffic noise with fiber-optic internet cables in an urban area

Z Song, X Zeng, J **e, F Bao, G Zhang - Surveys in Geophysics, 2021 - Springer
Distributed acoustic sensing (DAS) is a novel seismic observation system developed in
recent years that can realize ultrahigh density observations and has attracted extensive …

Shallow three-dimensional structure of the San Jacinto fault zone revealed from ambient noise imaging with a dense seismic array

A Mordret, P Roux, P Boué… - Geophysical Journal …, 2019 - academic.oup.com
We use 1 month of continuous seismic waveforms from a very dense seismic network to
image with unprecedented resolution the shallow damage structure of the San Jacinto fault …

Ambient noise multimode surface wave tomography

K Nishida, R Takagi, A Takeo - Progress in Earth and Planetary Science, 2024 - Springer
Seismic techniques using earthquakes are powerful tools for exploring the Earth's internal
structure. However, the earthquake distribution limits the spatial resolution. In recent years …

Mitigation of seismic waves: Metabarriers and metafoundations bench tested

A Colombi, R Zaccherini, G Aguzzi, A Palermo… - Journal of Sound and …, 2020 - Elsevier
The article analyses two potential metamaterial designs, the metafoundation and the
metabarrier, capable to attenuate seismic waves impact on buildings or structural …

Ambient noise multimode Rayleigh and Love wave tomography to determine the shear velocity structure above the Groningen gas field

M Chmiel, A Mordret, P Boué… - Geophysical Journal …, 2019 - academic.oup.com
The Groningen gas field is one of the largest gas fields in Europe. The continuous gas
extraction led to an induced seismic activity in the area. In order to monitor the seismic …

Pronounced seismic anisotropy in Kanto sedimentary basin: A case study of using dense arrays, ambient noise seismology, and multi‐modal surface‐wave imaging

C Jiang, MA Denolle - Journal of Geophysical Research: Solid …, 2022 - Wiley Online Library
Metropolitan Tokyo is subject to significant seismic hazards because it is located near a
triple junction of tectonic plates and because it sits atop the soft and thick sediments of the …

Multimodal Rayleigh and Love wave joint inversion for S‐wave velocity structures in Kanto basin, Japan

H Nimiya, T Ikeda, T Tsuji - Journal of Geophysical Research …, 2023 - Wiley Online Library
Prevention of earthquake disaster is critical in the densely populated Kanto Basin, Japan,
because of the presence of thick sediments that amplify strong ground motion. For this, a …

Ambient high-frequency seismic surface waves in the firn column of central west Antarctica

J Chaput, R Aster, M Karplus, N Nakata - Journal of Glaciology, 2022 - cambridge.org
Firn is the pervasive surface material across Antarctica, and its structures reflect its formation
and history in response to environmental perturbations. In addition to the role of firn in …

Shallow basin structure and attenuation are key to predicting long shaking duration in Los Angeles basin

VH Lai, RW Graves, C Yu, Z Zhan… - … Research: Solid Earth, 2020 - Wiley Online Library
Ground motions in the Los Angeles Basin during large earthquakes are modulated by
earthquake ruptures, path effects into the basin, basin effects, and local site response. We …

Ambient seismic noise wavefield in Japan characterized by polarization analysis of Hi-net records

R Takagi, K Nishida, T Maeda… - Geophysical Journal …, 2018 - academic.oup.com
The polarization of seismic waves can be used to infer the directionality of the ambient noise
wavefield. We demonstrate a simple relationship between the vertical–horizontal cross …