How many seismographs are needed to determine an earthquake’s location?
May 31, 2009
in
Earthquake Questions
How many seismographs are needed to determine an earthquake's location?
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3 comments
jim z on May 31, 2009 at 9:33 pm
At least two and preferably 3
nick_maxell1 on May 31, 2009 at 9:33 pm
3 to get an exact location with triangulation – 2 is not enough
the 3 should also form a triangle around the center – with the density nowadays you usually have the data of more than 20 to determine the center
drwer2 on May 31, 2009 at 9:33 pm
3 and each will record motion in 3 axes.
wer