The 5th International Forum on Opto-electronic Sensor-based Monitoring in Geo-engineering (5th OSMG-2014) will be held in Nanjing, China, on Oct 12-14, 2014. This forum was sponsored by Nanjing University, and organized by Center for Engineering Monitoring with Opto-Electronic Sensing (CEMOES) of Nanjing University, and Nanjing University High-Tech Institute at Suzhou. The co-organizers of this forum include NSFC, China National Group of IAEG, ISHMII, ISEG, The Hong Kong Polytechnic University, fibrisTerre GmbH, Suzhou Nanzee Sensing Co. Ltd, and 41st Institute of China Electronics Technology Group Corporation. The theme of this forum is “Monitoring and Early Warning of Geological Disasters”. There will be about 250 delegates in this forum. About 20 outstanding experts will be invited to give the plenary presentations. The 4th Short Course on Distributed Fiber Optic Sensing Technologies will be held during the forum. Some well-known production suppliers will come to exhibit their products. Several Best Paper Awards and Outstanding Contribution Awards will be conferred at the forum. Please click here to download the First Announcement of 5th OSMG-2014.