Transform boundaries occur when two plates slide past one another horizontally . Such boundaries can connect other types of boundaries, transforming motion at that site.
Crust is neither destroyed nor created at transform boundaries. However, that does not mean that nothing of significance occurs at transform boundaries. In some cases, transform boundaries are marked by features like streams that have been split in two, with each half moving in a different direction
There are many transform boundaries along California's coast, which are responsible for the large number of earthquakes in the area. The most famous transform boundary in California is the San Andreas Fault, where the Pacific and North American plates slide past one another.
Let's look at another transform boundary along California's coast, near El Centro.