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plate techtonic 1770- 2000
Created by
spicy boi
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Updated
28 Nov 2017
Events
the first tool used for seismology made by Chang Heng 132 ce
the original seismometer was invented by John Milne
a new successful siesmograph was invented by cecchi
the first gps network was made
the first theodolite was made
the first creep meter was made
the first strain meter was created
