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Exceptional: when all the energy from a mega-earthquake is transmitted to the surface

When an ancient and smooth seismic fault releases all its energy at once, the consequences are spectacular. The magnitude 7.7 ...
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震度5強 熊本県阿蘇地方地震 予測的中「MEGA地震予測」（PR TIMES）

2025年11月25日、午後6時01分ころ、熊本県阿蘇地方を震源とする最大震度5強、マグニチュード5.7の地震が発生しました。 地震予測サービス「MEGA地震予測」を提供する地震科学探査機構(株式会社stepdays内：東京都渋谷区、代表：橘田 寿宏、以下 JESEA)は、地震 ...
NHK

What you need to know about Japan's mega-quake advisory

Japan's Meteorological Agency issued a mega-earthquake advisory on Aug 8, following a magnitude 7.1 temblor that rocked the western Kyushu region on the same day. What does the advisory mean? And what ...
NHK

What do we need to know about a possible mega-quake?

Japanese authorities are urging people in a wide area of the country to take precautions against a possible mega-earthquake. The Meteorological Agency issued a special mega-earthquake advisory for the ...