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Constructive Plate Boundaries

What is a Conservative Plate Boundary?

  • This is a plate boundary where two plates slide past each other, they may be travelling in the same or different directions, and tend to travel at different speeds
  • Friction can build up between the two plates, causing a sudden slip, this movement will create shock waves, which can contribute to a shallow focused earthquake occurring, as a huge amount of energy has been produced and needs to be released
  • A fault line is created along the meeting point of the two plates

The San Andreas Fault

  • The San Andreas fault is arguably the most well known conservative plate boundary
  • It is located on the West coast of America, where the Pacific Plate meet the North American Plate
  • The Plates are both moving in a Northerly direction, but at different speeds, which has resulted in the formation of the San Andreas Fault line, the pacific Plate is moving at around 6cm a year, while the North American Plate is only moving 1cm a year
  • The San Andreas fault line runs roughly 800 miles through western and southern California

Map to show all the areas that are affected by the fault line

Map to show the two plates and their direction of movement

San Andreas Fault

Alpine Fault, New Zealand

By Imy Harper

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Fault, Turkey