North America is dripping—with sizable blobs of rock sinking from the underside of the continent, beneath the U.S. Midwest, ...

Explore how North America is changing as its deep cratonic root thins and pieces are dripping into the Earth's mantle.

A map showing seismic speed in Earth’s crust at 125 miles depth across the continental U.S. and portions of Central America and Canada. The North American craton (outlined in black dashes) has a ...

The Gulf of Mexico is now called the Gulf of America for Google Maps users in the United ... 5300 ft is a major body of water bordered and nearly landlocked by North America with the Gulf's ...