To build and strengthen its relationship with the broader science community in support of the Comprehensive Nuclear-Test-Ban Treaty (CTBT), the Preparatory Commission for the Comprehensive Nuclear-Test-Ban Treaty Organization (CTBTO) invites the international scientific community to conferences on a regular basis.The conference included keynote talks and oral presentations, poster contributions, and panel discussions. Based on the science and technology needs of the CTBTO, contributions of original research or overview presentations related to the following five themes; 1) The Earth as a complex system, 2) Understanding the nuclear explosion source, 3) Advances in sensors, networks and observational technologies, 4) Advances in computing, processing and visualization for verification applications, 5) Creating knowledge through partnerships, training and information / communication technology.