Promise For Predicting Earthquakes: Pre-earthquake Changes Detected In Crust

Although measurement techniques surrounding earthquakes have improved enormously over the last few decades, it has remained very difficult to measure changes in the crust that could enable earthquake prediction. Now, scientists have measured interesting changes in the speed of seismic waves that preceded two small earthquakes by 10 and 2 hours. These measurements are an encouraging sign that hold promise for the field of earthquake prediction.

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