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Why are earthquake unpredictable

2 Answers

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Earthquakes are unpredictable because the signals only happen before a Earthquake is about to start.
User Chocochaos
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Reliable predictions require precursors – some kind of signal in the earth that indicates a big quake is on the way. The signal has to happen only before large earthquakes and it has to occur before all big quakes
User Maxali
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