"It's pretty surreal to walk between two major pieces of Earth's crust that are drifting in different directions," Brooke ...

Understanding plate tectonics is key to grasping how the Earth’s geology works and how oceans and continents came to be.

Mexico lies on five tectonic plates that make it one of the world's most earthquake-vulnerable countries, particularly on the Pacific coast. In 1985 an 8.1 magnitude quake centered on the Pacific ...