Home / Standards / GB/T 19531.2-2026 GB/T 19531.2-2026 Upcoming Technical requirements for the observation environment of seismic stations—Part 2:Electromagnetic observation 地震台站观测环境技术要求 第2部分:电磁观测 Standard Type GBT ICS 91.120.25 CCS P15 Status 即将实施 Issue Date 2026-01-28 Implementation 2026-08-01 Responsible Dept 中国地震局 Drafting Unit N/A