Mount Fuji is one of the largest active volcanoes in the world. Unlike other people’s attitudes towards avoiding this “source of disaster”, the Japanese regard Mount Fuji as a symbol of the spirit of the entire country, and even the capital of Japan—has Tokyo, with more than 13 million citizens, was built just about 90 kilometers away from Mount Fuji.
At the end of September this year, they panicked because the government suddenly formulated a new evacuation plan after 17 years. The plan showed that the latest possible magma eruption of Mt. The eastern and western parts of Japan are likely to encounter a major disaster!
Estimated disaster range
Mount Fuji is the highest mountain in Japan. It looks like a quiet and beautiful snow-capped mountain. Japan’s wealth code and spiritual symbol, but it may become a life-swallowing mountain at any time. Monster.
This time, the researchers measured that the pressure in Mount Fuji reached 1.6 MPa , which is a major sign of the eruption, and this value is several times that of the previous eruptions!
In the new hypothetical map published by relevant Japanese agencies, if Mount Fuji erupts, the magma flow may reach at least 27 municipal administrative districts, Including not only Tokyo, but also Kanagawa Prefecture with a population of more than 9 million people_ Span2span, , Chiba Prefecture and other mega-administrative regions with a population of more than 6 million, traffic arteries such as the Shinkansen and expressways may also be cut off at that time.
The magma flow may spread to the area
not only expands,The flow rate of magma has also become much faster. estimates that the time for magma to reach the urban area of Fujiyoshida City in Yamanashi Prefecture is about 10 hours earlier than before. It only takes 9 days to reach Kanagawa Prefecture and 17 days to Odawara City. It only takes 5 hours to cut off the Tokaido Shinkansen.
Moreover, there are even more volcanic eruptions. 17 years ago, there were only 44 volcanic vents scheduled, but this time the forecast has directly expanded to about 5 times 252. Magma erupting from the top of the mountain is not terrible. The terrible thing is that it erupts from the mountain at 360° without dead ends.
In addition, Mount Fuji is also located near the junction of the Asia-Europe plate, the Pacific plate, the American plate and the Philippines plate. It is the collision of these four plates that makes Japanese islands on the sea Protruding upward, If Mount Fuji erupts too violently, it may cause the island to break and slide into the sea, which will not only reduce the land area, but also bring about a secondary disaster-a tsunami. There is no lack of such precedents in global history.
I believe everyone is concerned about another question: Will the eruption of Mount Fuji have an impact on China?
The answer is not for the time being, or the impact is small. Although the temperature of the pyroclastic flow exceeds 800 degrees, it is mainly used for “powering” on the land and can instantly ignite all combustibles on the land, but it will cool down to a certain extent when entering the sea, although the surrounding seas still cannot completely offset the volcanic debris. The high temperature and lethality of the debris flow, but there is still a considerable sea distance between my country and Japan, so there is no need to worry that volcanic eruptions will directly harm our country.
is most likely to have an impact, mainly from the aviation industry that runs between my country and Japan. The failure of a large number of flights to take off will directly cause millions of economic losses.
Volcanic eruption: a severely underestimated disaster
There are more than 500 active volcanoes in the world.There are 50-60 eruptions every year. In fact, China is also a country with active volcanoes. The Changbai Mountain, Wudalianchi, and Tengchong volcanoes have all experienced large-scale eruptions in history, but they have been relatively safe in recent decades. "It did not bring much trouble to the rapid development of our country.
Changbaishan volcano
Therefore, for those of us who have not faced a volcanic eruption, this is an underestimated natural disaster. Its high-density and large-scale destruction is actually second only to meteorite Hit the earth.
Because the disaster of volcanic eruption is not only the spread of magma, but also the volcanic ash, detrital flow, luminous cloud, etc. They not only affect climate change, but also disrupt the normal operation of people's agriculture, transportation, economy and other aspects.
Take the Pinatubo volcanic eruption in the Philippines in 1991 as an example. The volcanic eruption in recent decades directly changed the global climate. A large amount of sulfur dioxide in volcanic smoke entered the atmosphere, causing the world The average temperature dropped by 0.5 degrees Celsius, and the growth of the world’s key agricultural staples, such as soybeans, rice, and grains, was directly affected; Today, the tourism industry’s losses reached 102 million pounds (approximately RMB 890 million). The comprehensive economic losses suffered by the European shipping industry directly exceeded the economic blows suffered by the US "9.11" terrorist attacks and the entire European economy. Growth has slowed down as a result.
In fact, Mount Fuji, Japan has had several major outbreaks before this time. Among them, it is relatively close to the present, and the most valuable one is the Boyoung disaster 314 years ago.On October 28, 1707, a magnitude 8.6 earthquake occurred in Japan, which directly caused the eruption of Mount Fuji a month later. The volcanic ash ejected from Mount Fuji formed a "gray rain" that continued to float in the sky of Tokyo for two weeks.
The closer the place is to Mount Fuji, the thicker the accumulation of volcanic ash. The big city Tokyo, which is only a few tens of kilometers away, has almost completely stagnated the lives of its citizens. Can you imagine? Today, it is 's large-scale power outages, water filtration system failures, railway shutdowns, and aviation paralysis... Toxic, and at the same time, a large amount of toxic gas will also sink along with the volcanic ash, causing a large number of deaths on the ground, which is comparable to "human purgatory."
Mount Fuji is "troubled", why do the Japanese worship it?
Mount Fuji has a hidden crisis, but the Japanese know this well, but they still have a very special and pious preference for it. For a long time, Mount Fuji has been the target of Japanese writers and artists. In modern society, there are also a large number of cultural and creative products borrowing its appearance. It can be said that Mount Fuji is one of their greatest psychological and emotional sustenance.
Katsushika Hokusai's Mount Fuji Ukiyoe
Why is this? Are they not afraid that Mt. Fuji will suddenly "erupt" one day, destroying the entire country, culture, and history of Japan?
This starts from the overall character of Japan. In 1946, American anthropologist Ruth Benedict studied the defeated Japan in World War II and wrote a book " chrysanthemum and sword ". The book mentioned the Japanese people’s strong sense of collective belonging,And the unconditional "loyalty" and "filial piety" doctrines. They have never changed their dynasties. Therefore, the national character has compulsory peace of mind, which is "chrysanthemum".
and the "knife" symbolizes their collective sense of honor. Their extreme self-esteem makes them sharp. In order to fight for the collective benefits, they even invade other countries; it is also self-esteem that makes them extremely sensitive "glass hearts" "It is easy to be frustrated and feel inferior due to defeat, and will not hesitate to bow to the victor.
Japan’s unique tradition: Muxiaza
Although "righteous" but not "benevolent", this contradiction is consistent with the " dual character" of Mt. Esteemed. What's more, Japanese literature many of them pursue the aesthetics of "living like death" and "life as short as a cherry blossom, fleeting", which may also make this nation somewhat indifferent to life.
Now the author thinks that they refuse to cancel the Tokyo Olympics and have to finish it in 2021 when the epidemic is severe. I am afraid that it is also expected that the "sacred mountain" of Mount Fuji will one day break out, thinking about how much we can live. Live one more day, do one more thing if you can do one more thing.
Before the natural disasters, everyone was in danger. Now that Japan has made an evacuation plan, we can only respond as our country should be before Mount Fuji "one day" erupts.
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