Intensity scales, like the Modified Mercalli Scale and the Rossi-Forel scale, measure the amount of shaking at a particular location.

地，如修订麦加利地和罗西福瑞级，表示特定地区的地表动强。

Intensity scales, like the Modified Mercalli Scale and the Rossi-Forel scale, measure the amount of shaking at a particular location.

地，如'''修订麦加利地'''和'''罗西福瑞级'''，表示特定地区的地表动强。

Spatially , seismomagnetic effect caused by piezomagnetism and induced magnetism.is mainly distributed in the limited areas near epicenters , the bigger of the magnitude , the wider of the range.

在空间上，压磁、感磁等机制引起的磁效应主在中附近的有限区域内，级越大，展范围也越大。