Following the second major earthquake that hit Nepal on 12 May, some scientists believe we could be seeing a seismically active period that began in 2004 and could end around 2019.
However, predicting the quakes more accurately in time and space still remains a task for the future. The magnitude 9.1 Sumatra-Andaman earthquake of 26 December 2004, was one of the largest earthquakes ever recorded, triggering a tsunami that killed over 200,000 people. Experts like Sun Shihong, research fellow at the China Earthquake Networks Centre have in the past spoken of a 100-year cycle for earthquakes.
In the first 60 years of the 20th century there were seven earthquakes above 8.5 on the Richter scale. In the following 40 years there were no major quakes. Sun believes a new cycle began at the end of 2004 with a massive 9.1 magnitude quake in Indonesia.
More recently, Zhang Zhang Xiaodong, deputy director of an earthquake forecast research institute under the China Earthquake Administration told Xinhua that since 2004, the world has suffered a frequency of quakes above 8 magnitude not seen since the first half of the 20th century.
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