World BOSAI Forum 2023

Preparing for a Large Earthquake (1) “Unpredicted” Nanaki Trough Contingency Information


Do you remember the magnitude 6.6 earthquake that struck under the Hyuganada Sea late at night on January 22 this year? If this earthquake had been of a slightly larger magnitude, 6.8 or more, the JMA would have issued "Nankai Trough Earthquake Contingency Information (Investigation in Progress)”.
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