引用本文: | 赵纪东, 编译. USGS资助1 250万美元改善ShakeAlert预警系统[J]. 国际地震动态 , 2019, (9): 1-1. DOI: 10.3969/j.issn.0253-4975.2019.09.001 |
Citation: | Jidong Zhao, Translator. USGS awards more than $12.5 Million to advance the ShakeAlert earthquake early warning system in California,Oregon and Washington[J]. Progress in Earthquake Sciences, 2019, (9): 1-1. DOI: 10.3969/j.issn.0253-4975.2019.09.001 |