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 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 …

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 …

Fibre optic distributed acoustic sensing of volcanic events

P Jousset, G Currenti, B Schwarz, A Chalari… - Nature …, 2022 - nature.com
Understanding physical processes prior to and during volcanic eruptions has improved
significantly in recent years. However, uncertainties about subsurface structures distorting …

On the broadband instrument response of fiber‐optic DAS arrays

NJ Lindsey, H Rademacher… - Journal of Geophysical …, 2020 - Wiley Online Library
Abstract Distributed Acoustic Sensing (DAS) is a novel tool in array seismology that
measures the phase of backscattered laser pulses traveling in a fiber‐optic cable, and …

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 …

Comparison between distributed acoustic sensing and geophones: Downhole microseismic monitoring of the FORGE geothermal experiment

A Lellouch, NJ Lindsey… - … Society of America, 2020 - pubs.geoscienceworld.org
We compare the performance of a downhole distributed acoustic sensing (DAS) fiber‐optic
array with that of conventional geophones. The downhole collocated arrays are part of the …

Detecting gas pipeline leaks in sandy soil with fiber-optic distributed acoustic sensing

Z Chen, CC Zhang, B Shi, Y Zhang, Z Wang… - … and Underground Space …, 2023 - Elsevier
Detecting pinhole leaks in long-haul buried gas pipelines is challenging due to weak leak
signals and large spans. Fiber-optic distributed acoustic sensing (DAS) technology offers …

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 …

Magnitude estimation and ground motion prediction to harness fiber optic distributed acoustic sensing for earthquake early warning

I Lior, D Rivet, JP Ampuero, A Sladen, S Barrientos… - Scientific Reports, 2023 - nature.com
Earthquake early warning (EEW) systems provide seconds to tens of seconds of warning
time before potentially-damaging ground motions are felt. For optimal warning times, seismic …