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Chilling map highlights potential US targets in nuclear conflict
The widely circulated map highlights the areas most likely to be struck in a nuclear assault. It pinpoints potential targets ...
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Updated USGS Earthquake Map Highlights Risk Across U.S.
T he map is the first to include all 50 states in a single USGS assessment, and it shows risk in some places that weren't highlighted before. M ark Petersen, a USGS geophysicist who led the ...