adj.地震的，地震引起的，影响深远的，重大的

The seismic waves from the earthquake were felt across the continent.
地震产生的地震波在整个大陆都有所感知。
Seismic activity in this region has increased significantly over the past year.
过去一年里，这个地区的地震活动显著增加。
Scientists use seismographs to measure and record seismic movements.
科学家使用地震仪来测量和记录地震活动。
The construction of the new building was designed to withstand severe seismic events.
新建筑的建造设计能够抵御严重的地震事件。
The seismic shift in the political landscape caught many analysts by surprise.
政治格局的剧烈变动让许多分析家感到意外。
After the seismic eruption, geologists studied the changes in the earth's crust.
地震喷发后，地质学家研究了地壳的变化。
Early warning systems can provide crucial minutes for people to prepare before a seismic event strikes.
预警系统可以在地震发生前为人们提供宝贵的准备时间。
The recent seismic survey revealed potential oil reserves beneath the ocean floor.
最近的地震勘探揭示了海底潜在的石油储备。
The city's infrastructure has been upgraded to be more resilient against future seismic activity.
该市的基础设施已升级，以提高对未来地震活动的抵御能力。
Seismic retrofitting of old buildings is essential to ensure public safety during earthquakes.
对旧建筑进行抗震加固对于确保地震期间的公共安全至关重要。