I found this video on Youtube uploaded on Apr 26, 2010. They have already predicted a huge earthquake basing on the seismic activities around Tokyo. Just before a year the video upload, the big earthquake truly occurred.
It will greatly affect the economy of Japan and some parts of the world. The researchers are right. A big quake could devastate the city greatly.
In that video, the assumption was an earthquake with at least a magnitude of 7.0.
These are the projected effects:
Casualties: 11,000 will die
Evacuees: 7 million
Damage: 800 billion Euros
Good thing Japan is highly advanced when it comes to technology. However, the forces of nature are beyond man's control. We can try to minimize the risk but surely we are unable to stop it from happening.
If you try to imagine the earthquake that occurred last 1923 in Hiroshima and Nagasaki, Japan, 200,000 people died. It only had 7.9 magnitude compared to what happened on March 11, 2011 mid afternoon.
Both Hiroshima and Nagasaki are found in the southern part of Japan. The country expects to have a major quake once in 5 years. There were 19 earthquakes in the last 100 years.
In 1995, a quake hit Kobe. 20 seconds devastated Kobe and over 6,000 people died.
People should safeguard their own destiny according to the researchers.
Design of buildings
Definitely, buildings in Japan are designed with amazing flexibility to sway during earthquakes. However, for what has happened recently, the country was not prepared for the tsunamis that devastated many lives.
Concrete slabs are mounted on pillars with hydraulic shock absorbers. This makes the building withstand a huge earthquake.
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