Boundary of UCERF3 zone

A methodology has been developed at the U.S. Geological Survey (USGS) for making earthquake catalogs for seismic hazard analysis. A new catalog is assembled from...美国地质调查局（U.S. Geological Survey, USGS）已开发出一套用于地震危险性分析的地震目录编制方法。全新的地震目录将从……汇编而成。