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Earthquake Hazard Map Includes Human-Caused Quakes For First Time03:44

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The U.S. Geological Survey this week released a new earthquake hazard map that, for the first time, includes quakes resulting from man-made causes, rather than natural causes. Oklahoma tops the list of the states most vulnerable to human-induced quakes. Parts of it are now as earthquake-prone as California. Here & Now's Meghna Chakrabarti talks with Mark Petersen, chief of the USGS National Seismic Hazard Mapping Project, about the most seismically active states.

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  • Mark Petersen, chief of the USGS National Seismic Hazard Mapping Project.
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