Why more frequent earthquakes? Earthquakes have been quite often. Actually
Usually think that happen every year about 500 million worldwide, on average, earthquakes are more than 10,000 every day, but most are not people perceive. According to the statistics, the joint institute of seismology global level 6 above average annual earthquakes, nearly 200 times the average magnitude 7 above every year nearly 20 times, 8 + nearly three times per year on average. The number of earthquake series, the less. Look at the us geological survey (USGS doing) 2000 ~ 2009 global level 5 earthquake statistics, the number of large number of earthquake year without rules, but generally fall in 2007 is the year of frequent earthquakes. Since the earthquake in 2010 number has not been shown to have unusual number, even a small differences in number, but also the randomness of the earthquake.
Some psychological factorsChristian Louboutin
Some people think: earthquake frequent change. Actually, it was those earthquakes earthquake regularly and randomly happening, but it never comes place is densely or sparsely populated. But, because of recent years in populated areas of the earthquake to let more attention than ever before the earthquake.
In 2007,Christian Louboutin Pumps the world more than 8 to 4 times, is the 21st century than 8.0 earthquake most of the year. From the digital, comparison abnormal, but who heard these earthquakes? Who ever worry about it at the abnormal? As for domestic earthquake, who remember in 2001, November 14 in qinghai's 8.1 kunlun earthquake? The earthquake is China's largest nearly half a century of an earthquake. But because it happened in the western region, sparsely inhabited property is not small, so the casualties mass mentioned.