Is accurate early warning possible for earthquakes?
Chinese authorities have said they did not pick up any warning signs ahead of Monday’s earthquake.“Monitoring before the earthquake did not detect any macroscopic abnormalities, and did not catch any relevant information,” Deng Changwen, deputy head of Sichuan province’s earthquake department, said.
China successfully predicted the magnitude 7.3 Haicheng Earthquake in 1975. It is the first successful prediction of the earthquake in human history.
http://www.thinkweird.info/194/successful-earthquake-predictions-in-china/