San Andreas Fault

  • Starting near the Salton Sea in southern California and running northward to Mendocino Triple Junction, the San Andreas Fault is a crack in the earth where the Pacific plate meets the North American plate. These plates push against each other as they slide in opposite directions, sometimes causing the ground to give way and create an earthquake.
  • The Big One

    Scientists theorize that the southern section of The San Andreas Fault is likely to cause a large earthquake (7.0+ magnitude on the Richter scale) sometime in the next 30 years.SFGate: Huge State Quake Predicted Within Thirty Years(April 15, 2008) Although they aren't able to pinpoint exactly when this will occur, they do know that enough stress has accumulated that the fault will move over 18 feet if this stress is released all at once.PhysOrg.com: San Andreas Fault Set For the Big One (June 21, 2006) Another cause for concern is that the northern and central segments of the fault have each caused a major earthquake within the last 160 years, but the southern segment has not done so in over 300 years.PhysOrg.com: San Andreas Fault Set For the Big One (June 21, 2006)
  • Quotes

    "The southern section of the fault is fully loaded for the next big event."Live Science:San Andreas 'Fully Loaded' for Next Big Quake (June 21, 2006)Yuri Fialko, Scripps Institution of Oceanography

    "We are almost certainly not 'overdue' for a repeat of the great 1857 earthquake, but we are clearly well along in the process. We are much too far along, in fact, to neglect serious preparations for the eventuality."The Antlantic.com: Living on the Fault LineKerry Sieh, Caltech

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