Here’s something I saw on TV about the phenomenon of “postseismic deformation” (余効変動). The first picture shows how a straight line that was painted on a repaved road after the quake has been twisted by postseismic deformation in the last few years. I took it from a video that can be seen on the following page:
The second image is basically the same as an image I saw on an RKK TV special. It shows how parts of a wall that were connected immediate after the quake have gradually moved apart. I got the image from the following page:
https://ameblo.jp/aabe/entry-12265641502.html
– Kirk