Thunder + fiber-optic cabling used for seismic imaging
Researchers utilize thunder-induced seismic waves combined with fiber-optic cabling to image and study subterranean Earth structures.
Stock photo for illustration only, not from the actual event
- Scientists use thunder-generated seismic waves to probe Earth's subsurface
- Existing fiber-optic cables are repurposed to detect ground motions
- This innovative method improves subterranean imaging resolution
A team of researchers has pioneered a novel technique for mapping the Earth's subsurface features by harnessing natural phenomena, specifically utilizing tiny seismic waves generated by the acoustic power of thunderstorms.
Instead of relying on traditional, expensive seismometers deployed in remote areas, the study leverages pre-existing telecommunications infrastructure by turning fiber-optic cabling
Stock photo for illustration only, not from the actual event
This approach utilizes Distributed Acoustic Sensing (DAS) technology, transforming standard fiber networks into high-resolution seismic arrays. It drastically reduces the cost and logistical challenges of deploying hundreds of physical instruments in the field.
By capturing the seismic signatures produced by thunder rolling across the landscape, scientists can map shallow geological layers with unprecedented detail, aiding in hazard assessment and geotechnical studies.
Source: Ars Technica
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