Japan's new

It took two years after the earthquake accompanied by a terrifying tsunami, Japanese experts officially completed the new early warning system, to minimize the damage of the double disaster.

Remember March 11, 2011, the unexpected tsunami suddenly hit the vast coast of northeastern Japan. At that time, the relevant authorities, including the Japan Meteorological Bureau - the main responsible unit - only warned of a modest height tsunami of 3m hitting the coast. However, the historic tsunami has a maximum height of nearly 40m, far exceeding all expectations.

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Japanese people pay a hefty price for the mistakes that their early warning system suffers. 19,000 people died and disappeared, along with a nuclear disaster at No. 1 Fukushima Daiichi power plant, forcing the Japanese country to study and improve its advanced early warning system to prevent a similar disaster.

On average, Japan suffers 100,000 earthquakes and aftershocks each year. However, Japan also possesses sophisticated and modern technologies in the world to warn people about the most likely catastrophes. Owning a tsunami warning system since 1941, this technology has been continuously invested and upgraded to minimize damage caused by natural disasters.

However, those changes could not cope with the unpredictable developments that the 2011 double disaster struck Japanese territory. With the biggest human and human damage ever recorded, Japan has no choice but to complete the more advanced early warning system. With a value of $ 37 million, the newly completed warning system promises to make Japan safer.

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The heart of the disaster response system is in an anonymous gray building in Otemachi area, Tokyo. On the second floor of the building, the sign of "Seismic and Volcanic Department" is the only sign to be able to recognize its very important role. Similar to the appearance of the building, the professionals' offices are extremely simple with a long array of computer screens with colorful graphs.

However, this is the place to monitor and give all warnings regarding natural disasters in Japan. Rain storms and volcanic eruptions or earthquakes accompanied by tsunamis are closely supervised by experts to provide the earliest warning for authorities and people.

The graphs on the computer are set up by a dedicated recording system, installed throughout Japan. With the ability to accurately and reliably measure sensors, the data that experts receive reflects clearly what is happening in the disaster area.

Experts work inside the new "heart" disaster warning system.

The most special in the team of sensors is a circular seismic measurement device, capable of tracking every ground movement, even the smallest, around where they are located. Currently, this large-scale powerful geological motion measuring device is currently being installed at 80 different locations throughout Japan.

Next to the ground sensor are floating and submerged measuring devices outside the coast of Japan. Based on the signal that the submerged sensors send to the floats, the experts will quickly determine the wave height to accurately detect an incoming tsunami. With 261 locations installed with a new generation of measurements, the entire coast of Japan will be protected against tsunamis.

In order to avoid earthquake power failure, all new Japanese sensor systems are equipped with backup batteries, which help them function normally for long periods after an earthquake. The used batteries are only capable of operating for 3–4 hours but the new generation batteries keep them running for up to 24 hours.

With this system, experts can give tsunami warnings after more than 3 minutes since it was formed. Normally, it takes at least 20 minutes for an offshore tsunami to hit the coast of Japan, so the minimum time of 17 minutes is enough to allow people to reach high points to avoid being swept away by the tsunami.