In Las Vegas, I don't worry about earthquakes much, though these mountains must have come from someplace. It's a rather tranquil place. It's the human landscape that gets tricky here: whatever disordered desire you have, here is the place you will regret it the most. Time to practice virtue: vice is too costly here.
For those who still want to believe in earthquake prediction, check this out.
but only AFTER a quake. How useful was that?