An international oceanographic seabed survey of the submerged Columbus volcano, a submarine volcano about seven kilometers northeast of Santorini, was launched on Wednesday night at the port of Lavrion and will last until November 27. The survey is funded by NASA. The international mission consists of 30 scientists from the US, Greece, Australia and Germany, … The post NASA tests robots in submerged Santorini volcano appeared first on Keep Talking Greece.