data S1. The steady-state deformation data supporting Figure 1(a). The first and second columns show the location of point (longitude and latitude). The third, fourth, and fifth columns show the displacement induced by 2011 Tohoku-Oki Mw 9.0 earthquake (east-west, north-south, and up-down components in m). The sixth, seventh, and eighth columns show the displacement induced by 2010 Chile Mw 8.8 earthquake (east-west, north-south, and up-down components in m). data S2. Expansion of normal direction in the East Pacific Rise supporting Figure 1(b). The first and second columns show the location of point (longitude and latitude). The third and fourth columns show the displacement induced by 2011 Tohoku-Oki Mw 9.0 earthquake (the angle from east and the magnitude of displacement vector in m). The fifth and sixth columns show the displacement induced by 2010 Chile Mw 8.8 earthquake (the angle from east and the magnitude of displacement vector in m). data S3. Steady-state strain field supporting Figure 1(c). The first and second columns show the location of point (longitude and latitude). The third, fourth and fifth columns show the strain changes induced by two earthquakes (east-west, north-south, and shear components). data S4. The co-seismic and post-seismic displacement data supporting Figure 2. The first and second columns show the location of point (longitude and latitude), and the third column show the epicenter distance. The co-seismic and post-seismic displacement induced by 2011 Tohoku-Oki Mw 9.0 earthquake in the fourth column to the ninth column at different times (0, 10yr, 100yr, 1000yr,10000yr, and infinity in m).