Earthquake, also known as ground vibration, rapid release of energy is the earth's crust caused by the process will produce a natural phenomenon seismic vibration periods. Squeeze each other on Earth between plate and plate collision, causing the plate edge and internal plate produce dislocation and fracture, is the main cause of the earthquake.
According to statistics, about occurred on Earth more than 500 million times per year earthquake that happened thousands of times a day to earthquakes. Most of them are too small or too far away so that people feel; really can cause serious harm to humans there are about twenty times the earthquake; can cause particularly severe earthquake disaster about once or twice. People do not feel the earthquake, we must use seismographs to record; different types of seismometers can record different intensity, different distance of the earthquake. World running with thousands of various seismic monitoring instruments night earthquakes trends.
Both from the point of view of seismic frequency or intensity of an earthquake, you can say that now the world has entered an earthquake-prone period.
"I feel a strong earthquake in recent years, like a lot, it is able to come into the world's earthquake-prone period of conclusion?" Said Tony.
According to the data show that the global seismic activity to December 26, 2004 9.0 earthquake in Sumatra as a symbol, entered a period of high seismic activity of eight, so far a total of more than 8 earthquake occurred 15 times, nine times more than the earthquake 2, presents a similar state before the 20th century the world's eight major earthquake-prone, and this trend is likely to continue.
According to statistics, during 1900-1964, the global total of more than 8.5 earthquake occurred 7 times; to 2004, the world is no more than 8.5 earthquakes occurred after the 1964 earthquake in Alaska; from 2004 to 2010, just six years Indonesia's happened twice respectively 8.7 and magnitude 8.5 earthquake in Chile 8.8 earthquake and a total of three times more than 8.5 earthquakes.
The frequency of seismic activity is a certain level of periodic law, the data between the various stages of a comprehensive centuries, both from the point of view of seismic frequency or intensity of an earthquake, you can say that now the world has entered an earthquake-prone period.
The Global Earthquake In Recent Years
April 26, 2015, 8.1 earthquakes occurred in Nepal, killing 970 people were killed and more than 1,700 injured.
April 9, 2013, Bushehr province in southern Iran 6.1 earthquake, killing at least 37 people were killed and about 850 injured.
March 11, 2011, occurred in Japan 9.0 earthquake, and tsunami triggered strong official confirmed 14,063 deaths and 13,691 missing.
February 22, 2011, Christchurch, New Zealand 6.3 earthquake occurred, causing hundreds of casualties.
February 27, 2010, Chile 8.8 earthquake and tsunami, 802 people were killed and nearly 200 million people were affected.
January 12, 2010, Haiti 7.3 earthquake caused 27 million deaths and 48 million people have been displaced.
April 14, 2010, China Yushu Tibetan Autonomous Prefecture of Yushu County, two earthquakes, the maximum magnitude of 7.1, resulting in 2698 people were killed.
April 6, 2009, Rome, Italy 5.8 earthquake occurred east of L'Aquila, nearly 300 people were killed and about 60,000 people homeless, serious property damage.
October 5, 2008, in the border region in southern Kyrgyzstan Kyrgyzstan Richter 6.8 earthquake, killing at least 72 people dead.
May 12, 2008, China Wenchuan 8.0 earthquake, killing about 69,000 people were killed and over 37 people injured.
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