Fig. 9
From: Preparation zones for large crustal earthquakes consequent on fault-valve action
a Map of northern Honshu with volcanic front in Ou Backbone Range (flanked by inward-dipping reverse fault systems) delineated by lowered dVs; b N–S longitudinal section along the Ou Backbone Range (white rectangle) showing bright S-wave reflectors (red lines) in relation to the depth of the seismogenic zone, estimated isotherms, and variations in Vp/Vs (from Hasegawa 2017)