This provided for a highly granular view of the seismic situation at local levels, but also across the entire North American continent. Looking at the map, the black lines show areas of maximum ...

North America is dripping—with sizable blobs of rock sinking from the underside of the continent ... that are weakening the base of the crust. A map of the North American craton—outlined ...

April 23 (UPI) --For the first time, scientists have produced a comprehensive map of the tectonic stresses acting on the North American continent. In the short term, the map of North American ...

As you read this, the North American continent’s underside is dribbling ... different geological features at different speeds. This map shows seismic speed in the Earth’s crust at 200 ...