World Data Center for Seismology, Denver
75 miles (120 km) SE of Antofagasta, Chile
NB: The region name is an automatically generated name from the Flinn-Engdahl (F-E) seismic and geographical regionalization scheme, proposed in 1965, defined in 1974 and revised in 1995. The boundaries of these regions are defined at one-degree intervals and therefore differ from irregular political boundaries. For example, F-E region 545 (Northern Italy) also includes small parts of France, Switzerland, Austria and Slovenia and F-E region 493 (Chesapeake Bay Region) includes all of the State of Delaware, plus parts of the District of Columbia, Maryland, New Jersey, Pennsylvania and Virginia. Beginning with January 2000, the 1995 revision to the F-E code has been used in the QED and PDE listings. This revision includes 28 additional regions, which were defined by subdividing larger regions to provide better coverage for Northwest Africa, Southeast Asia and seismic zones along oceanic ridges.
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USGS National Earthquake Information Center
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URL: http://neic.usgs.gov/neis/bulletin/001127105429.HTML