Fiber-optic cables can produce high-resolution underground maps

A series of earthquakes and aftershocks shook the Ridgecrest area in Southern California in 2019. Distributed acoustic sensing (DAS) using fiber-optic cables enables high-resolution subsurface imaging, which can explain the observed site amplification of earthquake shaking. Credit: Yang et al., 2022,

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News Source: https://phys.org/news/2022-02-fiber-optic-cables-high-resolution-underground.html

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