In North America, primarily four tectonic plates converge: the North American Plate, the Pacific Plate, the Caribbean Plate, and the Cocos Plate. The interactions among these plates shape the geological features and seismic activity of the region.
The North American Plate covers most of the continent and is bordered by the Pacific Plate along the west coast, which is where we find the famous San Andreas Fault. This fault line is a direct result of the movement between these two plates. To the south, the Caribbean Plate is located close to the southeastern portion of the North American Plate, particularly in regions like Florida and parts of the Gulf of Mexico.
Furthermore, the Cocos Plate is also significant as it interacts mainly with the Caribbean Plate and has an influence on tectonic activity in Central America, which is close to North America. The dynamics of these plate interactions lead to geological events such as earthquakes and volcanic activity, making this region geologically very active.
In summary, while the North American Plate is the largest and most dominant, it interacts with the Pacific, Caribbean, and Cocos Plates, all contributing to the complex tectonic landscape of the Americas.