Mapping 2011 Earthquakes

This 2011 earthquakes map, rendered in Google Earth, shows just how rare seismic events are on the East Coast: 

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UPDATE: Adding historical data I discover…

This map shows earthquake hazards in various parts of the country: 

The resulting maps are derived from seismic hazard curves calculated on a grid of sites across the United States that describe the frequency of exceeding a set of ground motions.

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This map uses symbols and colors to visualize the “seismicity” of the lower 48 states:  

Source: USGS

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