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fiber optics

Posted inEditors' Vox

用分布式声学传感探测地下奥秘

by Yingping Li, Robert Mellors and Ge Zhan 20 March 202519 March 2025

新书探讨了安装在井孔中的光纤电缆如何监测地震活动、流体流动、地下温度等。

Map of the Iceland’s Reykjanes Peninsula.
Posted inEditors' Highlights

Observing Magma-Induced Seismic Velocity Changes with Fiber-Optics

by Marcos Moreno 26 February 202526 February 2025

A new high-resolution method for tracking volcanic activity utilizes fiber-optic sensing to detect magma intrusion by measuring seismic velocity changes.

Photo of fiber-optic acoustic and temperature sensors.
Posted inEditors' Vox

Listening to Earth’s Subsurface with Distributed Acoustic Sensing

by Yingping Li, Robert Mellors and Ge Zhan 8 January 202520 March 2025

A new book examines how fiber-optic cables installed in boreholes can monitor seismic activity, fluid flow, subsurface temperatures, and more.

An Apollo 11 astronaut installs a seismometer on the lunar surface. Footprints are visible in the lunar regolith, and the seismometer is a shiny device about the size of a kitchen table.
Posted inNews

Fiber-Optic Networks Could Reveal the Moon’s Inner Structure

by Elise Cutts 3 April 202414 May 2024

Distributed acoustic sensing offers a cost-effective alternative to traditional seismic arrays, and building such a network on the Moon might be possible.

A close-up view of a fiber-optic cable. One main cable is filled with smaller glass strands that are pathways through which light communications pass and transmit data.
Posted inNews

Thunderquakes Map the Subsurface

Sarah Derouin, Science Writer by Sarah Derouin 4 December 202314 May 2024

Researchers have figured out how rumbling thunder turns to seismic waves and how this shaking could be used to reveal subsurface geology.

Image overlooking a rocky coastline and water just after sunset with a bright blue line representing a fiber-optic cable curving over the water and rocks
Posted inResearch Spotlights

Internet Cable Reveals the Source of Underwater Vibrations

by Saima May Sidik 30 September 202214 May 2024

A novel use of an existing fiber-optic cable off the coast of Spain has clued scientists in to how seismic noise is generated in the ocean.

坐落于长江干流的中国三峡水库
Posted inResearch Spotlights

光纤技术为滑坡监测开辟新领域

Aaron Sidder, freelance science writer by Aaron Sidder 30 August 202230 August 2022

为了研究中国三峡水库沿线的一处滑坡,研究人员在现场布设了光纤传感器,来监测地下温度、湿度和应变。

China’s Three Gorges Reservoir, located on the Yangtze River.
Posted inResearch Spotlights

Fiber Optics Open New Frontier for Landslide Monitoring

Aaron Sidder, freelance science writer by Aaron Sidder 3 August 202216 September 2022

To study a landslide along China’s Three Gorges Reservoir, researchers deployed underground fiber-optic sensors to monitor temperature, moisture, and strain.

Aerial image of blue whale breathing at the water’s surface.
Posted inNews

Wiretapped Cables and the Songs of Whales

Jenessa Duncombe, Staff Writer by Jenessa Duncombe 22 July 202217 February 2023

Researchers jerry-rigged fiber-optic cables in a fjord to eavesdrop on blue whales, with possible applications ranging from seafloor mapping to meteorology.

A pile of fiber-optic cable sits on a street in New York City with workers in the background.
Posted inFeatures

Distributed Sensing and Machine Learning Hone Seismic Listening

by Whitney Trainor-Guitton, Eileen R. Martin, Verónica Rodríguez Tribaldos, Nicole Taverna and Vincent Dumont 4 March 202214 May 2024

Fiber-optic cables can provide a wealth of detailed data on subsurface vibrations from a wide range of sources. Machine learning offers a means to make sense of it all.

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