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Japan and the seismic risk

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  1. Introduction
  2. The beginning of Nationalists drift
    1. The progressive integration of Jews
    2. The legacy of traditional Judaism
    3. Persistent prejudices
  3. The rise of antisemitism in the 1880s
    1. The Jew, 'scapegoat of modernity '
    2. Strengthening the construction of identity in race
    3. Discomfort spread by the press and the literature
  4. The violent antisemitism led to a division of corporations
    1. Of termination to the exclusion
    2. The instrumentalization of anti-Semitism by political forces
    3. Zionism, a response to the barbaric antisemitism

This analysis focuses on earthquakes of tectonic origin. It will therefore only be briefly addressed along with the parallel risk of the tsunami. Moreover, it considers a specific policy on risk. Japan has specificities both politically and in terms of planning. These features highlight the challenges of an effective management and prevention. If risk is known, does it mean that it is precisely evaluated? The views are Japanese in the sense of preventing or managing post-traumatic issues. In view of the historical data and technology, can we consider the Japanese policy of risk management as effective?

We need to restore the context of Japan's seismotectonic features that are essential to understanding the concept of hazards of earthquake. The concept of randomness that leads to "risk" is used to study the consequences of these phenomena and to study alongside the strengths and vulnerabilities of a defined territory. Prevention, risk management, technological and political points are difficult to analyze. However, disasters question the effectiveness and the possibility of limiting the effects of natural phenomenon.

Japan is an archipelago in the Pacific Ocean consisting of 6852 islands. Located north of Taiwan and east of the People's Republic of China and Russia, the islands include the four largest being Honshu, Hokkaido, Kyushu and Shikoku, home to 127 million. A densely populated country (337 inhabitants. / Km2), Japan is now a hub of dynamism and attractiveness in the world. Its main economic activity is relegated to coastal areas to urban centers such as Tokyo or Osaka-Kyoto-Kobe. If it is the financial, industrial and technology power, it is paradoxically the hub of natural disasters that regularly propel the country to the headlines.

An earthquake is the result of fracturing of rock at depth. Schematically the phenomenon is as follows: the region of the locked fault deforms gradually (slow elastic deformation) by accumulating the energy until suddenly it gives way and the earthquake ruptures. Shocks occur in a more or less brutal and continuous manner. Japan is located on a subduction zone between four tectonic plates (Pacific, North American, Eurasian and Philippine). This site is the source of many earthquakes, tsunamis and volcanic eruptions.

The geographical and geological context poses considerable problems in terms of development, management and prevention. In addition to major disasters, there are thousands of earthquakes of varying intensity (from 4 to 7.3 on the Richter scale) that occur in Japan every year and constantly changing and lasting face of the country . The consequences are disastrous both human and material (the Kobe earthquake in 1995 was 6437 dead, 43,792 injured, destroyed many buildings and infrastructure).

It is undeniable that all the earthquakes that occur in the world do not rise to tectonic plate boundaries. Japan, the Pacific islands, is located at the junction of four tectonic plates: two continental plates are the Eurasian Plate and the North American plate, and two oceanic plates are the Pacific plate and Philippine plate.

Tags: Kobe earthquake, archipelago, seismotectonic features, subduction zone

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