Hardly any injection earthquakes any more, so I grasp at straws. At least this earthquake is interesting, as it is off the end of the New Madrid shear tail. As I have said, the only way for New Madrid to step out of its grave is to extend itself out of the 1812 stress shadow. As such, I always like to look for extensions. I had hoped that something was brewing slightly westward, but it fizzled out.
Anyway, one goose does not a gander make, so we wait to see if anything forms around this earthquake. Any city in the Mississippi mud is going to have a bad time with earthquakes.