Figure 1

Tectonic background of Aegean and Anatolia2,3. WAEP Western Anatolian extension province; NAF North Anatolian fault; EAF East Anatolian Fault; DSF Dead Sea Fault; BZCZ Bitlis-Zagros collision zone. Dashed white line outlining rectangle represents the area of Fig. 2b. Bold black arrows indicate direction of motion of plates, yellow arrows attached to trench indicate direction of trench and slab rollback. Red arrows in western Anatolia indicate direction of extension of upper plate, and yellow star is ___location of the Mw 7.0 Samos earthquake of October 30, 2020.