プログレッシブ和英中辞典(第4版)の解説
しんど【震度】
(a) seismic intensity
震度７の地震
an earthquake with a seismic intensity of 7
今の地震は震度３だった
The earthquake we just had registered 3 on the Japanese (seismic) scale.
震度５の地震があった
We had an earthquake 「with a seismic intensity of 5 [which registered 5 on the Japanese scale of ten].
震度空白域
a seismic gap