Home / Standards / GB/T 17742-2020 GB/T 17742-2020 Active The Chinese seismic intensity scale 中国地震烈度表 Standard Type GBT ICS 91.120.25 CCS P15 Status 现行 Issue Date 2020-07-21 Implementation 2021-02-01 Responsible Dept 中国地震局 Drafting Unit N/A