Those seismic waves would converge at the impact's antipodal point, off the coastline of Africa's Madagascar.

这些地震波将汇聚于撞击处相对立地方位于马达加斯加海岸。

Moments after impact, seismic waves converged at the antipodal point, the spot on the exact opposite side of the planet.

撞击后瞬间产生地震波汇聚于相反一点刚好在水星背面对应点上。