主震

The mainshock was followed by several strong aftershocks.
主震后紧跟着几次强烈的余震。
Seismologists predicted that the mainshock would be preceded by foreshocks.
地震学家预测主震之前会有前震发生。
The mainshock caused significant damage to infrastructure in the city.
主震对城市基础设施造成了重大破坏。
Scientists analyzed the seismic data from the mainshock to estimate its magnitude.
科学家分析了主震的地震数据以估计其震级。
The emergency response plan was activated immediately after the mainshock struck.
主震发生后，紧急应对计划立即启动。
People were still recovering from the mainshock when the first aftershock hit.
当第一次余震袭来时，人们还在从主震中恢复过来。
The epicenter of the mainshock was located near the boundary of two tectonic plates.
主震的震中位于两个板块边界附近。
It's crucial to identify safe zones for evacuation before the mainshock occurs.
在主震发生前确定安全撤离区域至关重要。
The mainshock triggered a series of landslides in the mountainous region.
主震引发了山区一系列的山体滑坡。
After the mainshock, experts assessed the structural integrity of buildings in the affected area.
主震发生后，专家们评估了受灾地区建筑物的结构完整性。