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Nowadays, volcanology in Europe is made by different research institutions and observatories ready to give access to interoperable and standardized data and products to foster research and enhance knowledge on volcano processes and hazard.

In 2010, small volcanic eruptions at Eyjafjallajökull, Iceland, disrupted air travel worldwide, at an estimated cost of €1300 million. Understanding the circumstances that made this eruption so costly involves not only researchers across diverse disciplines, but also civil authorities, aviation authorities, industry, and public all around Europe. Volcano observation is a key source of data and information for this.

Currently, monitoring networks on European volcanoes consist of thousands of stations or sites where volcanological parameters are continuously or periodically measured. These sites are equipped with instruments for geophysical (seismic, geodetic, gravimetric, electromagnetic), geochemical (volcanic plumes, fumaroles, groundwater, rivers, soils), environmental observations (e.g. meteorological and air quality parameters), as well as various prototypal monitoring systems (e.g. Doppler radars, ground based SAR). Across Europe several laboratories provide sample characterization (rocks, gases, isotopes, etc.), quasi-continuous analysis of space-borne data (SAR, thermal imagery, SO2 and ash), as well as high-performance computing facilities. All these Research Infrastructures provide high quality information (observations) on the current status of European volcanoes and the geodynamic background of the surrounding areas. Although data access heterogeneity and different the data policy adopted by each Research Institution, EPOS aims to overcome these heterogeneity, in order to provide long-term sustainable access to data and products which already exist at European Volcano Observatories and Volcano Research Institutions. VO-TCS will integrate the experiences gained in monitoring and studying the Italian, Iceland, French, Spanish, Greek and Portuguese volcanoes. Indeed, TCS will benefit from the outcomes of the two EC-FP7 volcanological Supersite projects: FUTUREVOLC covering volcanoes in Iceland, and MEDSUV (Mediterranean Supersite Volcanoes) for Campi Flegrei, Vesuvius and Mt. Etna. The whole of these observations and projects outcomes cover all types of volcanological processes, and WP11 will develop an accessible platform to share data and resources both for research purposes and volcanic hazard assessment.