Why is a minimum of three seismic stations needed to find the epicenter of an earthquake?

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asked May 18, 2020 35.9k views

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Jdewit · Answer 1 · 2020-05-25T01:38:17+0000

Each station can detect how far away the epicenter was. So each station basically has a circle made of possible epicenters. When you have three, you narrow it down to one, final point.

Why is a minimum of three seismic stations needed to find the epicenter of an earthquake?

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