The Pacific Border province encompasses most of the
North American Pacific Coast, with the southern end at the start of the Lower California-
Peninsular Ranges Province in
Southern California. The Pacific Border province is in the larger
Pacific Mountain System Division—Region. The region is prone to earthquakes, residing along the eastern edge of the
Pacific Ring of Fire.
Sections The Pacific Border province contains seven separate and smaller sections: •
Puget Trough •
Olympic Mountains •
Oregon Coast Range •
Klamath Mountains •
California Trough •
California Coast Ranges •
Transverse Ranges (Los Angeles Ranges) ==See also==