The Earth's plates jostle about in fits and starts that are punctuated with earthquakes and volcanic eruptions. 4 min read There are a few handfuls of major plates and dozens of smaller, or minor ...

Plate tectonics ... divergent boundaries, where new crust is formed; convergent boundaries, where crust is consumed; collisional boundaries, where two land masses collide; and transform boundaries ...

Four types of plate tectonic activity ... For more on divergent boundary, go to The Sea Floor Spread. Also known as subduction boundary, a convergent boundary occurs where one plate slides under ...

Earthquakes happen most often where tectonic plates meet ... each other at what are called transform plate boundaries. Sometimes they pull apart at divergent boundaries, and sometimes they push ...

This is called a destructive or convergent ... which forms the tectonic boundary between the Pacific Plate and the North American Plate. These are known as Transform Faults. As the plates scrape ...

Earthquakes happen most often where tectonic ... Sometimes these plates slide alongside each other at what are called transform plate boundaries. Sometimes they pull apart at divergent boundaries ...