Susan Hough

It was kind of more of a Wild West industry back a hundred years ago, and the technology wasn’t as sophisticated, people would just pump oil, and in some cases the ground would subside—fairly dramatically.

Several lines of evidence further suggest that most of the significant earthquakes in Oklahoma during the 20th century may also have been induced by oil production activities, deep injection of waste water, now recognized to potentially induce earthquakes, in fact began in the state in the 1930s.

I don't think that there is much doubt that there will eventually be damage to the pier and beam structures. There should be damage to the brick facades should it continue, and, of course, damage to the sheet rock and damage to the house, you are continuously waiting for the other shoe to drop. You're concerned that there is going to be another one.