Figure 4

Spatial distributions of displacement, dilatation, maximum shear strain, and principal strain before (7 February 2011–19 April 2018) and during (20 April 2018–26 May 2019) the Bungo Channel L-SSE (2). The expressions of the figures are the same as those in Fig. 2a–h. The map was created by using the Generic Mapping Tools (GMT)27 (version: GMT3.4.6, URL link: https://www.generic-mapping-tools.org/download/).