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![Page 1: Obtaining evidence for prior mega-earthquakes and tsunamis off Sumatra Jian Lin - Woods Hole Oceanographic Institution Science Party of DY105-17A Jian](https://reader035.vdocument.in/reader035/viewer/2022062311/5a4d1b0c7f8b9ab05998b97f/html5/thumbnails/1.jpg)
Obtaining evidence for prior mega-earthquakes and tsunamis off Sumatra
Jian Lin - Woods Hole Oceanographic Institution
Science Party of DY105-17A
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1960 Chile M=9.5
2004 off Sumatra M=9.2-9.3
Lin & Stein (2004)
SouthernSegment
NorthernSegment
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Cook & Lin
• 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
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Science Party of DY105-17A
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Science Party of DY105-17A
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Science Party of DY105-17A
Lin et al.
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Core analysis ongoing ……