"If you have a fault that is being strained at a speed of 7 mm per year, which is the case here,"

VOA: standard.2010.01.13

"The last major event on that fault occurred 250 years ago, so if the fault snaps, it's going to snap by 1.7 meters, and that's about a magnitude 7 earthquake."

VOA: standard.2010.01.13