At least some people are! Ohio has gone off the map for injection earthquakes, when it used to have so many. Where's the spirit of adventure? :) Ohio has the same megathrust as Toronto, and I was sort of using them to calculate the odds of a big earthquake there, but I find now Ohio may have cheated with the injection. All of their M5+'s are probably injection, and that means Toronto must have a lower chance for fireworks.
That's a bit of a joke that they want to block off the Precambrian and start injecting again at Youngstown. If they really plugged, the well would be nearly worthless, since the Cambrian sandstone might not take up water very well. Could be a very leaky plug! :)