If you watch the world with a distorted mind, you will blame everything util you die. Nobody can gurantee 预测地震 90% correctly, that is a long term scientific challenge that you may never understand. China has done a perfect job in this 四川地震救灾行动.
You may contribute more to this world if you could spend 10%
of your time to study how to 预测地震, instead of abusing others.