These are odd in that they are not the classic Fracking depth for the most part. It would appear that the larger picture involving Plate Tectonics is registering events.
Still more time in the day. There is a growing pattern that goes to the overall Tectonic, Basin, Plateau, et al., relating to the many fault lines, and subduction; convulsive, or upheaving as relates to them.
otterwalks: 1st December 2014