Well, techincally they are connected through the tectonic plates of the Earth.  A shift in one could effect the other one because they act on the same tectonic plate.
I wasnt sure if they were on the same plate or not. If im not mistaken there are 3 or 4 plates around that area. It's the Ring of Fire. Many plates lots of movement lots of volcanoes.
Also isnt there a Nuclear Power Plant on or very close to the San Andreas Fault?
Mt. St. Helens update: Mt. St. Helens has top has swollen 4 cm up and to the North.
Also at least St. Helens is moving slowly so its monitorable and doesnt just explode with out much warning.
About the poop thing how the hell did you find something like that.