Was supposed to be x and it was y. Scientist's are so good that in Italy they're being sued for not being able to predict the next earthquake apparently. (religion.blogs.cnn.com)
you never know when the next volcano blows, or the next earthquake. (religion.blogs.cnn.com)
As one of the signatories, University of Oxford earth scientist Barry Parsons, says in the Nature piece: «Scientists are often asked the wrong question, which is «when will the next earthquake hit?» (scientificamerican.com)