1. (a) Bathymetry map (based on Sandwell and Smith (2009)) of the study area showing the Andaman–Sumatra subduction zone and (b) Andaman–Nicobar subduction system.
(a) Bathymetry map (based on Sandwell and Smith (2009)) of the study area showing the Andaman–Sumatra subduction zone and (b) Andaman–Nicobar subduction system. Convergence direction and rate are shown with white arrows. Beach balls represent earthquake locations with hypocentre depth <20 km (red), 20–40 km (orange), 40–60 (green) and >60 km (blue). The black rectangle marks the area shown in Figure 13.1b. CIB, Central Indian Basin; WV, Wharton Basin; GSF, Great Sumatra Fault; WAF, West Andaman Fault; ASSC, Andaman Sea spreading centre; ANF, Andaman–Nicobar Fault; EMF, Eastern Margin Fault; DF, Diligent Fault; AL, Alcock Rise; SW, Sewell Rise; MB, Megui Basin; EB, Eastern Basin; F6–G9, fracture zones.
Satish C. Singh, and Raphaële Moeremans Geological Society, London, Memoirs 2017;47:
© 2017 The Author(s). Published by The Geological Society of London