Fig. 1From: Investigating P- and S-wave velocity structure beneath the Marmara region (Turkey) and the surrounding area from local earthquake tomography a Tectonic map of Marmara region (dotted black lines—faults from Saroglu et al. 1987; solid black lines—faults from Armijo et al. 1999). Inset location of study area within Turkey is marked within the red border. b Geological units of the Marmara region modified from Ketin (1967) and Okay (1989)Back to article page