İzmir Bay is an actively growing shallow marine basin controlled by active faults trending NE, NW, N–S and E–W, in the West Anatolian Extensional Province. The bay of İzmir is a lazy L-shaped superimposed basin which is topographically divided into an E–W-trending inner bay and a NW-trending outer bay | Neotectonic evolution of an actively growing superimposed basin in Western Anatolia: The Inner Bay of İzmir, Turkey