What a terrible earthquake and tsunami effects caused yesterday in Japan (03/11/2011). Based on the latest info (12/01/2011) there are about 1300 people dead and missing in the tsunami, the exact number still continues to be identified, details of the last 612 people dead, 700 missing (source AFP). But Japan, a country prone to earthquakes have been familiar with the earthquake and tsunami. Japan has conducted prevention since many years ago, precisely after Showa-Sanriku tsunami earthquake in 1933. At that time the Japanese government issued a Tsunami Disaster Prevention Guide, build a sea wall construction in Taro and Yoshihama, forest control, and to determine the tsunami prevention and evacuation road. Transfer of the victims to the location of higher-made success.
In 1952, after the tsunami in Tokachioki, Japan Meteorological Agency started Tsunami Forecasting System. In fact, in 1960, built Early Warning System in Hawaii. Based on the site Tohoku University, the quake-tsunami re-occur in Japan, in Hokkaido-Nanseioki precisely, in 1993. A total of 202 people become victims. While in 1999, the Japan Meteorological Agency started quantitative tsunami forecast system.
One researcher suggests that the effects of earthquakes hit Japan yesterday like dropping a stone at the Isle of Wight, England's largest island, into the sea.
The earthquake that hit Japan yesterday, as reported by The Telegraph on Friday (11 / 3), measuring 1,000 times more devastating than the earthquake that hit New Zealand last month.
Strength of the quake was nearly half the strength of the quake that hit Sumatra, in 2004 that led up to destroy the Southeast Asia tsunami.
The damage can be minimized to hit Japan since the country has been accustomed to earthquakes and has built infrastructure and warning system.
Japan experienced an earthquake hundreds of times a year. That's because Japan is in the location of one of the most active seismic point in the world, the "ring of fire" of the Pacific Ocean.
Earthquake-prone Japan since its position was on three shifts covering the earth's plates. Plates hit each other to shift to force up releasing a lot of pent-up energy, which in this case equivalent to the explosion of 1.5 billion tons of explosives.
The movement under the water causing waves that radiated out effect in all directions.
Dr Simon Boxall of the department of Oceanography University of Southampton, UK, said: "It's like a boulder dropped into the sea, stone size of the Isle of Wight. Sparks and causing huge waves roll along the 200 miles that ripples out in all directions".
Source: Tempointeraktif.com and Detik.Com
Sabtu, 12 Maret 2011
Enormity of the Tsunami Earthquake Japan
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Enormity of the Tsunami Earthquake Japan