Tag Archives: Earthquake

Humans can cause deadly Earthquakes

On May 12, 2008, a huge 7.9 MW earthquake hit Chengdu, a sub-provincial city which has served as the capital of China’s Sichuan province. Over 69,000 people lost their lives. 374,176 were reported injured, with 18,222 listed as missing as of July 2008. The earthquake also left about 4.8 million people homeless. Some scientists believe that the construction and filling of the Zipingpu Dam with 320 million tons of water over a well-known fault line may have triggered the earthquake Notes 1.

Sichuan earthquake is only one example of (but the deadliest by far, though) many earthquakes that triggered by the human activities, according to a study published in the journal Seismological Research Letters, titled “Database of earthquakes triggered by human activity is growing – with some surprises”.

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Animation – Earthquakes Between 2001 and 2015

The American scientific agency within the United States Department of Commerce, National Oceanic and Atmospheric Administration (NOAA) published an animation on youtube showing the Earthquakes of the First 15 Years of the 21st Century (between January 1, 2001, and December 31, 2015). The animation shows every recorded earthquake in sequence as they occurred at a rate of 30 days per second. It is based on the new SOS dataset of all the earthquakes in that period from the US NWS Pacific Tsunami Warning Center.

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