Last Updated
：2025/11/23
seismic moment
Noun
Japanese Meaning
地震モーメント：地震の大きさ（規模）を評価するための物理量。観測された地震計の記録や、影響を受けた領域の広がりと岩石のずれ（変位）を基に算出される。
（ plural ）
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(geology) A quantity used to determine the size of an earthquake. Calculated either from a seismogram, or from the measurement of the area affected and the displacement of the rocks.
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seismic moment
Scientists estimated the seismic moment from measurements of the fault area and the average displacement to determine the earthquake's size.
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Scientists estimated the seismic moment from measurements of the fault area and the average displacement to determine the earthquake's size.
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