Fig. 2From: Near-ridge-axis volcanism affected by hotspot: insights from effective elastic thickness and topography of the Ojin Rise Seamounts, east of Shatsky Rise in the northwest Pacific OceanFree-air gravity anomaly map of the study area (location in Fig. 1c). The data are from Sandwell et al. (2014); contour interval is 5 mGalBack to article page