Fiber Optic Seismology Experiment Interactive Map
The USGS Fiber Optic Seismology interactive map provides access to metadata from Distributed Acoustic Sensing (DAS) experiments designed by research groups across the globe to monitor seismic activity and subsurface properties along fault zones. DAS technology uses fiber-optic cables to detect ground vibrations, capturing high-resolution seismic data spanning long distances with dense spatial sampling. This interactive map helps researchers identify available datasets and provides information on DAS experiment parameters under a standard format including cable locations, principal investigator, sampling intervals in space and time, and data acquisition dates.
In addition to showing the surface location of the fiber optic for each DAS experiment, the interactive map allows users to overlay map layers showing recent nearby earthquakes, major fault lines, and tectonic boundaries, providing context for interpreting DAS data.
Further information on DAS methodologies, instrument sensitivity, site characteristics, and data processing techniques are available in the technical reports and publications referenced within the interactive map.
Visit https://www.usgs.gov/programs/earthquake-hazards/earthquakes to learn more about earthquake monitoring efforts by the USGS and partners.