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The Science behind the Aceh Earthquake (Caltech
press release) (pdf)
Kerry Sieh provides background and context for the December
26, 2004 earthquake that struck Aceh, Indonesia.
Grant will fund study of Earth's plates (Pasadena
Star News) (pdf)
A $13,254,000 grant establishes the Tectonics Observatory
at Caltech to provide an explanation for the way Earth's
crust changes over time; from a few tens of seconds to millions
Observing the Roiling Earth (Caltech press release) (pdf)
In the 1960s the theory of plate tectonics rocked geology's
world by determining that the first 60 miles or so of our
planet--the lithosphere--is divided into about a dozen rigid
plates that crawl along by centimeters each year.