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CONSERVATIVE PLATE BOUNDARY
At a conservative plate boundary, the
plates slid past each other and this
movement causes friction.
Energy builds up between the two plates
and eventually this is released as an
They rarely cause volcanoes.
There is no subduction or constructive
zone at conservative plate boundaries.
Movement of the plates is erratic.
This type can cause earthquakes as
powerful as anything generated along a
destructive plate margin.
Case Study: San Andres Fault (California, USA)
The San Andres Fault is a geological fault that is 800
miles long, and runs through western and southern California
in the US.
It is located between the Pacific Plate and the North
The Loma Prieta earthquake was a major earthquake
that struck the San Francisco Bay Area of California on the
17th October 1989. The earthquake lasted approximately 15
seconds and measured 6.9 on the richter scale. The quake
killed 67 people throughout northern California, injured 3,757
people and left more than 12,000 people homeless.