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  6. When will the earthquake occur?

When will the earthquake occur?

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last updated:Dec 23, 2025

トキワシステム
トキワシステム
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Explaining the probability and timing of occurrences such as the Nankai Trough and directly beneath the capital, as well as preparations that can be made now!

Japan is one of the world's most earthquake-prone countries, and many people have concerns such as "When will the next major earthquake occur?" and "When will the Nankai Trough or the Tokyo metropolitan area earthquake happen?" In this article, we will explain the answers to the question of "When will earthquakes occur?" based on government announcements and data from specialized agencies. We will also introduce the probabilities of large-scale earthquakes that are expected to occur, as well as points on how to prepare at home. *For detailed content of the column, you can view it through the related links. For more information, please download the PDF or feel free to contact us.

    Earthquake-proof and vibration-damping equipment
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When will the earthquake occur?

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  • What is a seismic damping device called "seismic damper"?
  • Special site - Product/service details - https://pr.www.ipros.com/tokiwa-system/product/

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Proposal for Application-Specific Plans for the Vibration Control Device "α Damper Ex II"

Proposal for Application-Specific Plans for the Vibration Control Device "α Damper Ex II"

TECHNICAL
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Seismic control device for wooden houses αDamperExII (αDamperExII)

Seismic control device for wooden houses αDamperExII (αDamperExII)

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Hydraulic Vibration Control Device for Wooden Houses 'α Damper ExII' *Pamphlet included

Hydraulic Vibration Control Device for Wooden Houses 'α Damper ExII' *Pamphlet included

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Seismic control device for wooden houses αDamperExII

Seismic control device for wooden houses αDamperExII

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[Construction Example] α Damper EXII New Construction Project

[Construction Example] α Damper EXII New Construction Project

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[Construction Case] α Damper EXII Renovation Work

[Construction Case] α Damper EXII Renovation Work

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Earthquake safety measures for peace of mind

Earthquake safety measures for peace of mind

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Seismic resistance level maintained by seismic dampers - Building homes that can be lived in even after a major earthquake.

Seismic resistance level maintained by seismic dampers - Building homes that can be lived in even after a major earthquake.

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Started providing evaluation reports that clearly show the effects of the α Damper Ex II installation at a glance.

Started providing evaluation reports that clearly show the effects of the α Damper Ex II installation at a glance.

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The superiority of the α Damper ExII in suppressing the reduction of building strength due to major earthquakes.

The superiority of the α Damper ExII in suppressing the reduction of building strength due to major earthquakes.

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National Seismic Hazard Map 2018 Edition

National Seismic Hazard Map 2018 Edition

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トキワシステム

トキワシステム

Building materials, supplies and fixtures manufacturers

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Tokiwa System Co., Ltd. is a company that develops, manufactures, and sells the seismic control device αDamperExII. It is a pioneer in seismic control devices using hydraulic dampers. The αDamperExII has received the number one track record and trust in the Tokai and Tonankai earthquake warning areas, and it will soon be adopted in 10,000 buildings. The αDamperExII is a hydraulic seismic control device that reduces building deformation caused by earthquake shaking by approximately half.

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