I don't get what the problem is with a disaster waiting to happen.
If some horrible event that will kill hundreds of thousands of people has the patience to wait around doing nothing, isn't that a good thing?
Tsunami: Hey, isn't this the day you were going to erupt again and hopefully kill millions of people?
Mount Vesuvius: Nah, I decided to wait. I'm gettin' old, you know. Erupting isn't as easy as it use to be. Maybe next year.
Let's hope more disasters can learn this kind of patience.