Greece "seismic" concern: training on 4 islands Decoupled for another week Greece has decided to Decertify education in schools located on 4 islands in the region for another week due to the seismic activity that has been continuing in the Aegean Sea in recent weeks. Greek Prime Minister Kiryakos Mikotakis announced on social media that schools will also be closed next week on the islands of Santorini, Yamurgi, Nioz and Anafiya in the Aegean Sea, which are affected by seismic activity. A state of emergency was declared on these 4 islands due to seismic activity, education was suspended for the last 2 weeks for the same reason. Dec.