ムラゴン ホーム
Earthquake explanation Earthquake An earthquake is a sudden shaking or trembling of the Earth's surface, caused by the movement of the Earth's tecton... 続きをみる
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日本（ムラゴンブログ全体）
Earthquake explanation Earthquake An earthquake is a sudden shaking or trembling of the Earth's surface, caused by the movement of the Earth's tecton... 続きをみる