An accumulation of weak to moderate earthquakes has been recorded around the Greek island of Santorini since 24 January. The seismic activity is concentrated in the area between the islands of Santorini and Amorgos, with a center around 25 km northeast of Santorini. An accumulation of weak to moderate earthquakes has been recorded around the Greek island of Santorini since 24 January. The seismic activity is concentrated in the area between the islands of Santorini and Amorgos, with a center around 25 km northeast of Santorini. Earth Sciences Phys.org – latest science and technology news stories