Wow! Watch starting from 1:07 in slow motion (0.25) and as it goes you can see (I believe) the shockwave expanding starting at ~1:11 the ground gets gradually l

Wow! Watch starting from 1:07 in slow motion (0.25) and as it goes you can see (I believe) the shockwave expanding starting at ~1:11 the ground gets gradually lighter colored and when it reaches the camera it shakes it.