There is great potential for fiber‐optic systems to advance earthquake monitoring and understanding, but to fully unlock their capabilities requires continued progress in key areas of research and development, including instrument testing and validation, increased dynamic range. There is great potential for fiber‐optic systems to advance earthquake monitoring and understanding, but to fully unlock their capabilities requires continued progress in key areas of research and development, including instrument testing and validation, increased dynamic range. A working group convened to explore these topics; we comprehensively examined the application of fiber optics in various aspects of earthquake hazards, encompassing earthquake source processes, crustal imaging, data archiving, and technological challenges. There is great potential for fiber‐optic. A fiber optic cable was brought ashore from the cable-laying ship Pleijel at the entrance to the port of Sassnitz on Nov. A new study suggests using fiber optic cables on the ocean floor could track underwater fault ruptures and improve earthquake early warning systems. McGuire, James Atterholt, Theresa Sawi, Clara Yoon, Morgan P. But in some laboratory and field setups, it can also behave like a long, highly sensitive sensing line.