什麼是芮氏地震規模的相關文章
Earthquakes Magnitude Scale and Classes
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日期：2025-04-25
Magnitude, Earthquake Effects, Estimated Number Each Year. 2.5 or less,
Usually not felt, but can be recorded by seismograph. 900,000. 2.5 to 5.4, Often
felt, ......看更多
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