Fiber-optic sensing opens up new possibilities for geophysical measurementswith a broad range of applications in well logging (e. temperature and production logging, well integrity monitoring) and seismic exploration and monitoring. Distributed Fiber Optic Sensors – Applications to Geological Engineering and Civil Infrastructure Proceedings of the 17thPan-American Conference on Soil Mechanics and Geotechnical Engineering (XVII PCSMGE), and 2ndLatin-American Regional Conference of the International Association for Engineering. iber-optic sensing includes methods where distributed is recorded with high spatial and data temporal resolution along an optical fiber of up to several 10s of km length, mostly using the principle of optical time-domain reflectometry (OTDR). By exploiting existing telecommunication infrastructure or purpose-built cables, distributed fiber-optic sensing, such as. Distributed optical fiber sensing (DOFS) has drawn a lot of attention in the geoscience community, taking advantage of easy-to-deploy, dense-spacing, and multi-physical measurements (temperature and strain), In contrast with traditional sensors, the optical fiber itself is used as both a sensing. Distributed Acoustic Sensing (DAS) has been increasingly utilized to build relationships in complex geophysics environments by utilizing continuous measurement along fiber optic cables with high spatial resolution and a frequency response of up to 10 KHz. DAS, as fiber optic technology examining.