Researchers test seafloor fiber optic cable as an earthquake early warning system

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Researchers test seafloor fiber optic cable as an earthquake early warning system
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One of the biggest challenges for earthquake early warning systems (EEW) is the lack of seismic stations located offshore of heavily populated coastlines, where some of the world's most seismically active regions are located. In a new study, researchers show how unused telecommunications fiber optic cable can be transformed for offshore EEW.

A telecommunications fiber optic cable deployed offshore of Oliktok Point, Alaska recorded ambient seismic noise that can be used to finely track the formation and retreat of sea ice in the area, ...

Just days after a 2020 magnitude 5.1 earthquake in Tangshan, China, researchers turned nearly 8 kilometers of unused telecom fiber optic cable into a seismic array that detected dozens of aftershocks ... Photonic systems can transform underwater fiber-optic cables into a dense network of seismic stations to illuminate ocean-floor earthquake zones impossible to study today, according to a new study. ...

Researchers have turned parts of a 13,000-mile-long testbed of 'dark fiber', unused fiber-optic cable, owned by the DOE Energy Sciences Network , into a highly sensitive seismic activity ...

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Researchers test seafloor fiber optic cable as an earthquake early warning systemResearchers test seafloor fiber optic cable as an earthquake early warning systemOne of the biggest challenges for earthquake early warning systems (EEW) is the lack of seismic stations located offshore of heavily populated coastlines, where some of the world's most seismically active regions are located.
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