1923 Great Kantō earthquake

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The 1923 Great Kantō earthquake (関東大震災, Kantō daishinsai) was a devastating seismic event that struck the Kantō region of Japan on September 1, 1923. It is considered one of the most destructive earthquakes in Japanese history, with a magnitude of 7.9 on the moment magnitude scale.

Geological Background[edit | edit source]

The earthquake occurred at the convergence of the Philippine Sea Plate and the Eurasian Plate, a region known for its seismic activity. The epicenter was located beneath Sagami Bay, near the city of Yokohama. The earthquake's depth was approximately 23 kilometers, which contributed to its widespread impact.

Impact[edit | edit source]

The Great Kantō earthquake caused extensive damage throughout the Kantō region, particularly in the cities of Tokyo and Yokohama. The initial shock was followed by a series of aftershocks and a massive firestorm that swept through Tokyo, exacerbating the destruction.

Casualties[edit | edit source]

The earthquake and subsequent fires resulted in an estimated 105,000 to 142,800 deaths. Many of these casualties were due to the fires that engulfed wooden structures, which were prevalent in the area at the time.

Infrastructure Damage[edit | edit source]

The earthquake destroyed or severely damaged over 570,000 homes, leaving approximately 1.9 million people homeless. Key infrastructure, including roads, bridges, and railways, was also heavily impacted, complicating rescue and recovery efforts.

Aftermath[edit | edit source]

The disaster prompted significant changes in Japanese society and urban planning. The government implemented new building codes and fire prevention measures to mitigate the impact of future earthquakes. The event also led to the establishment of September 1 as Disaster Prevention Day in Japan.

Cultural and Historical Significance[edit | edit source]

The Great Kantō earthquake had a profound effect on Japanese culture and history. It influenced literature, art, and public policy, and remains a pivotal event in the collective memory of the nation.

Also see[edit | edit source]


Template:Natural disasters in Japan

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