ultramicro-earthquake

例句：

1. 1.The ultramicro-earthquake caused widespread damage to the city's infrastructure.
   超微地震导致城市基础设施遭受广泛破坏。
2. 2. Researchers are studying the effects of ultramicro-earthquakes on buildings.
   研究人员正在研究超微地震对建筑物的影响。
3. 3. Due to the extreme conditions, it is crucial to monitor ultramicro-earthquakes closely.
   由于极端条件，密切监测超微地震至关重要。