Home / Standards / GB 18306-2015 GB 18306-2015 Active Seismic ground motion parameter zonation map of China 中国地震动参数区划图 Standard Type GB ICS 91.120.25 CCS P15 Status 现行 Issue Date 2015-05-15 Implementation 2016-06-01 Responsible Dept 中国地震局 Drafting Unit N/A