The Mediterranean Ridge is a wide ridge in the floor of the Mediterranean Sea . It is next to a rough quarter circle from Calabria , south of Crete , to the southwest corner of Turkey , and from there eastwards south of Turkey , with Cyprus . The Mediterranean Ridge is a wide ridge in the bed of the Mediterranean Sea , running along a rough quarter circle from Calabria , south of Crete , to the southwest corner of Turkey , and from there eastwards south of Turkey , including Cyprus .