日本经常发生由板块交界处的巨型逆冲断层引发的地震。

Japan frequently experiences earthquakes caused by the ___megathrust at tectonic plate boundaries.

日本位于一个活跃的巨型逆冲断层带上，这使其容易发生大地震。

Japan sits on an active ___megathrust zone, making it prone to massive earthquakes.