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Obtaining evidence for prior mega-earthquakes and tsunamis off Sumatra

Obtaining evidence for prior mega-earthquakes and tsunamis off Sumatra. Jian Lin - Woods Hole Oceanographic Institution Science Party of DY105-17A. 1960 Chile M=9.5. 2004 off Sumatra M=9.2-9.3. Northern Segment. Southern Segment. Lin & Stein (2004).

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Obtaining evidence for prior mega-earthquakes and tsunamis off Sumatra

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  1. Obtaining evidence for prior mega-earthquakes and tsunamis off Sumatra Jian Lin - Woods Hole Oceanographic Institution Science Party of DY105-17A

  2. 1960 Chile M=9.5 2004 off Sumatra M=9.2-9.3 Northern Segment Southern Segment Lin & Stein (2004)

  3. • It has the longest fault line ever recorded (1,300 km) • It was the largest quake since the 1960 Chile quake (magnitude 9.5) • It was relatively shallow (only 10 miles beneath seafloor) • The northern rupture zone was in open water, exposing beaches in Thailand Cook & Lin

  4. Science Party of DY105-17A

  5. Science Party of DY105-17A

  6. Science Party of DY105-17A Lin et al.

  7. Core analysis ongoing ……

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