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Japan's Earthquake Warning: Be Ready, Not Scared

JapanTuesday, December 9, 2025
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Japan's northern regions recently experienced a 7.5 magnitude earthquake, raising fears of an even larger quake and a potential 98-foot tsunami.

Government Advisory

The government has issued an advisory, not a prediction, indicating a 1% chance of a magnitude 8 or larger quake within the next week. This serves as a reminder for preparedness, especially in coastal areas.

Historical Context

The 2011 earthquake and tsunami claimed nearly 20,000 lives and caused significant damage, including the destruction of a nuclear power plant. The recent quake has increased the risk of a more powerful quake in Hokkaido and the Sanriku coast, areas vulnerable due to the Japan Trench and Chishima Trench.

Potential Impact

A 98-foot tsunami could result in:

  • Nearly 200,000 fatalities
  • Destruction of up to 220,000 buildings
  • Economic damages reaching 31 trillion yen ($198 billion)
  • Up to 42,000 people suffering from hypothermia in winter

Advisory Details

The advisory extends to 182 municipalities from Hokkaido to Chiba Prefecture. This is not the first time Japan has faced such a threat. In August 2023, a separate advisory was issued for a potential megaquake from the Nankai Trough, affecting the southern half of Japan's Pacific coast.

Preparedness Measures

Officials urge residents to:

  • Keep an emergency bag with daily necessities
  • Discuss evacuation procedures with family members
  • Sleep in day clothes for a quick escape

Municipalities are inspecting stocks of relief goods and equipment for evacuation centers.

Conclusion

The advisory serves as a reminder to be ready, not scared. Learning from past experiences is crucial to understanding the importance of preparedness and the potential consequences of underestimating nature's power.

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