Plate boundaries are where the action is. A large fraction of all earthquakes, volcanic eruptions, and mountain building occurs at plate boundaries. It is also where most of the people on Earth live.

The Cascadia subduction zone, where the oceanic Juan de Fuca plate descends beneath the overlying North American plate ... is indicated by the deformation front in Fig. 1. Figure 1: Map of the ...

Six of the majors are named for the continents embedded within them, such as the North American ... These convergent boundaries also occur where a plate of ocean dives, in a process called ...

Between North America and Europe, the rate is about 2.2 inches (3.6 cm) per year. At the East Pacific rise, which is pushing a plate into the west coast of South America, the rate is 12.6 inches ...