弱じゃく震しん

noun

mild earthquake; weak earthquake

Refers to an earthquake of low intensity, typically around seismic intensity 3 on the JMA scale, where most people feel shaking but damage is rare.

• 昨さく夜や、関かん東とう地ち方ほうで弱じゃく震しんが観かん測そくされた。

  A mild earthquake was observed in the Kanto region last night.

• 弱じゃく震しんでは、棚たなの物ものが落おちることはほとんどない。

  In a mild earthquake, items on shelves rarely fall.