The point underground where an earthquake originates; the epicenter (source) of seismic waves.
気象庁は震源地を○○県沖と発表した。
The Meteorological Agency announced the epicenter as off the coast of XX prefecture.
震源地の深さは約10キロと推定されている。
The depth of the epicenter is estimated to be about 10 km.
地震発生直後に震源地周辺で被害が相次いだ。
Damage occurred one after another around the epicenter immediately after the quake.
The source or origin of an incident, rumor, or problem; used figuratively to indicate where something started.
その噂の震源地は社内の掲示板だと言われている。
The rumor is said to have originated from the company's internal bulletin board.
問題の震源地を突き止めて対応を始めた。
They identified the source of the problem and began to respond.