图1 地震台站记录的原始GPS位置的直方图 (IMAGE) Science China Press Caption 2020/01/01~2020/01/30期间台站251位于露头时, 经度(a)和纬度(b)分布, 黑色虚椭圆内为偏离2.5倍标准差的异常点; 2019/12/06~2019/12/27期间台站250位于拉斯曼丘陵冰盖处, 经度(c)和纬度(d)分布. 红色和绿色分别表示观测期间开始和结束阶段经纬度的直方分布 Credit ©《中国科学》杂志社 Usage Restrictions Use with credit. License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.