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- Location: California
- Size: Approximately 750 miles longBuena Vista Museum of Natural History: The San Andreas Fault (October 10, 2000)
- Named after Lake San Andreas by California geologist A.C. Lawson
- Caused the 1906 San Francisco Earthquake
- 59% chance a major earthquake will hit southern section within 30 yearsSFGate: Huge State Quake Predicted Within Thirty Years(April 15, 2008)
- A 7.8 earthquake in Southern California would cause over 50,000 casualties and do $200 billion in damageScience Daily: Disaster Earthquake Scenario Unveiled for Southern California (May 23, 2008)
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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.
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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 Line—Kerry Sieh, Caltech
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San Andreas Fault Questions
When did the last earthquake along the San Andreas Fault occur that had a magnitude greater than 5.5? 2 AnswersParkfield, California, which experienced M 6.0 earthquakes in 1934, 1966, and 2004. read more
Has anyone been to an Andrea Bocelli concert? What was it like? 1 AnswerI have been on A.Boccelli concert, also have been on 3 tenors. They are all one of a kind. If you are planning to go on concert buy good seats, not for view but... read more
Was Rihanna at fault for the assault by Chris Brown? 4 AnswersAbsolutely not! Regardless of what she may have did or said to prompt him to fly off the handle, there is no excuse for a man to ever put his hands on a woman i... read more


