4.1 2026年3月12日,内布拉斯加州中南部发生大地震,是该区域自2023年以来最强的地震,引起人们的担忧,因为一个历史宁静地区的地震活动异常。 A 4.1-magnitude earthquake hit south-central Nebraska on March 12, 2026, the strongest in the region since 2023, sparking concern due to unusual seismic activity in a low-risk area.