Fiber-optic seismology

NJ Lindsey, ER Martin - Annual Review of Earth and Planetary …, 2021 - annualreviews.org
Distributed acoustic sensing (DAS) is an emerging technology that repurposes a fiber-optic
cable as a dense array of strain sensors. This technology repeatedly pings a fiber with laser …

Distributed sensing of microseisms and teleseisms with submarine dark fibers

EF Williams, MR Fernández-Ruiz, R Magalhaes… - Nature …, 2019 - nature.com
Sparse seismic instrumentation in the oceans limits our understanding of deep Earth
dynamics and submarine earthquakes. Distributed acoustic sensing (DAS), an emerging …

A critical review of distributed fiber optic sensing for real-time monitoring geologic CO2 sequestration

Y Sun, J Liu, Z Xue, Q Li, C Fan, X Zhang - Journal of Natural Gas Science …, 2021 - Elsevier
Geologic CO 2 sequestration (GCS) has been identified as the most viable option for
effectively reducing greenhouse gases emissions to mitigate global warming and worldwide …

City‐scale dark fiber DAS measurements of infrastructure use during the COVID‐19 pandemic

NJ Lindsey, S Yuan, A Lellouch… - Geophysical …, 2020 - Wiley Online Library
Throughout the recent COVID‐19 pandemic, real‐time measurements about shifting use of
roads, hospitals, grocery stores, and other public infrastructure became vital for government …

Urban seismic site characterization by fiber‐optic seismology

ZJ Spica, M Perton, ER Martin… - … Research: Solid Earth, 2020 - Wiley Online Library
Accurate ground motion prediction requires detailed site effect assessment, but in urban
areas where such assessments are most important, geotechnical surveys are difficult to …

Sensing earth and environment dynamics by telecommunication fiber-optic sensors: An urban experiment in Pennsylvania USA

T Zhu, J Shen, ER Martin - Solid Earth Discussions, 2020 - se.copernicus.org
Continuous seismic monitoring of the Earth's near surface (top 100 meters), especially with
improving the resolution and extent of data both in space and time, would yield more …

[HTML][HTML] 分布式声传感井中地震信号检测数值模拟方法

马国旗, 曹丹平, 尹教建, 朱兆林 - 石油地球物理勘探, 2020 - html.rhhz.net
分布式声传感(DAS) 基于光纤中瑞利散射效应获取地震波振动信号, 光纤在探测地震波的同时
实现信号的传输, 适用于井中地震信号采集, 具有成本低, 分辨率高, 抗电磁干扰强等优点 …

Array signal processing on distributed acoustic sensing data: Directivity effects in slowness space

SP Näsholm, K Iranpour, A Wuestefeld… - Journal of …, 2022 - Wiley Online Library
Abstract Distributed Acoustic Sensing (DAS) involves the transmission of laser pulses along
a fiber‐optic cable. These pulses are backscattered at fiber inhomogeneities and again …

Distributed dynamic strain sensing of very long period and long period events on telecom fiber-optic cables at Vulcano, Italy

G Currenti, M Allegra, F Cannavò, P Jousset… - Scientific Reports, 2023 - nature.com
Volcano-seismic signals can help for volcanic hazard estimation and eruption forecasting.
However, the underlying mechanism for their low frequency components is still a matter of …

Characteristics of microseismic data recorded by distributed acoustic sensing systems in anisotropic media

AF Baird, AL Stork, SA Horne, G Naldrett… - …, 2020 - pubs.geoscienceworld.org
Fiber-optic distributed acoustic sensing (DAS) cables are now used to monitor
microseismicity during hydraulic-fracture stimulations of unconventional gas reservoirs …