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from Parsons et al (2001)

from Parsons et al (2001). Parsons et al (2001). Bay area shocks during the 75 years before 1906. Bay area shocks during the 75 years after 1906. Bay area is a system of roughly parallel faults. Bay area faults may have fallen under a stress shadow in 1906. from

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from Parsons et al (2001)

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  1. from Parsons et al (2001)

  2. Parsons et al (2001)

  3. Bay area shocks during the 75 years before 1906

  4. Bay area shocks during the 75 years after 1906

  5. Bay area is a system of roughly parallel faults

  6. Bay area faults may have fallen under a stress shadow in 1906 from Harris & Simpson (1998) and Parsons (2003)

  7. 1992 M=7.3 Landers shock increases stress at Big Bear Landers Big Bear Los Angeles First 3 hr of Landers aftershocks plotted from Stein (2003)

  8. 1992 M=7.3 Landers shock promotes the M=6.5 Big Bear shock 3 hr later Landers Big Bear Los Angeles First 3 hr of Landers aftershocks plotted from Stein (2003)

  9. …and promotes the M=7.1 Hector Mine shock 7 yr later Hector Mine Los Angeles First 7 yr of aftershocks plotted from Stein (2003)

  10. Earthquakes converse through the transfer of stress

  11. Shinji Toda

  12. Tom Parsons Tom Parsons

  13. Aykut Barka 1952-2002

  14. Jian Lin

  15. Jim Dieterich

  16. Now what? å

  17. But can one explain the time decay?

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