Waves and accelerometers to predict earthquakes
Accurate analysis of data relating to particular seismic waves that shake the ground seems to be predictive of a possible earthquake, and especially the shock of slow up and down type rather destructive since they cause series of movements in the perpendicular direction of the wave that may affect the stability of buildings. American researchers have identified a series of "abnormal" waves ten hours before and also two hours before the earthquake, also measuring instruments with very sensitive variations in cracks that form in the soil (as open and then close) and the barometric pressure believe it can get other indications predictor of the earthquake. Previously some scientists had advanced the proposal of using the accelerometers present in the new portable computers, to protect the hard disk from any falls, with special software to form a network of alert for shocks of earthquakes in real time.
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Date: 10/07/2008
 article n°: 729
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