Data from the 2011 Virginia 5.6 magnitude earthquake suggests that the North American continent had drifted above a mantle hotspot millions of years ago.
Data from the 2011 Virginia 5.6 magnitude earthquake suggests that the North American continent had drifted above a mantle hotspot millions of years ago.
Data from the 2011 Virginia 5.6 magnitude earthquake suggests that the North American continent had drifted above a mantle hotspot millions of years ago.