When the magma reaches water at the ocean floor most spreading centers are in the ocean it cools and hardens and becomes new oceanic crust.
Does the san andreas fault make new ocean floor.
New studies farther to the northwest along the peninsula section of the san andreas fault also show a long interval between the 1906 earthquake and the previous earthquake which occurred around 1300.
The fault divides into three segments each with different characteristics and a different degree of earthquake risk.
San andreas fault line map.
The north coast section of the san andreas fault is north of san francisco.
As the plates continue to move apart more and more new basaltic crust is created.
For example in bodega bay the san andreas fault is actually located about 800 meters away from where it was thought to be.
Transform faults have shallow earthquakes that are often quite damaging on land.
The san andreas runs deep near and under some of california s most populated areas the cities of desert hot springs san bernardino wrightwood palmdale gorman frazier park daly city point reyes station and bodega bay rest on the san andreas fault line.
Prior to 1300 the intervals are shorter about 200 years.
It runs most of the length of california and into the ocean.
The san andreas fault connects two divergent fault boundaries in the north and south.
It forms the tectonic boundary between the pacific plate and the north american plate and its motion is right lateral strike slip horizontal.
The san andreas fault is a continental transform fault that extends roughly 1 200 kilometers 750 mi through california.