The coldest air of the winter is about to descend across the United States, and the upcoming Arctic express could set off loud booms that feel like earthquakes. These events, known as frost quakes, ...
Constructive plate margins close constructive plate marginAn area where two tectonic plates are moving away from one another. are where tectonic plates pull apart due to convection currents in the ...
Plate tectonics explains the movement and interaction of the Earth’s upper layers. More accurately, the lithosphere which is composed of the crust and upper layer of the mantle. It is divided ...
These are the tectonic plates. Tectonic plates are also not fixed — they move around atop the mantle and are driven by convection currents of molten magma. Although their movement is ...