EARTHQUAKE PREDICTION DEVICE
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United States of America Patent
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Jan 14, 2016
app pub date -
Feb 25, 2013
filing date -
Feb 25, 2013
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Abstract
An earthquake prediction device comprises a predicted value calculation unit that calculates, from a prediction formula, a predicted value (MMIvp) indicating a predicted intensity of a ground motion on the Modified Mercalli Intensity scale, using a maximum velocity value (Vumax), which is the largest among absolute values of velocity component calculated by a vertical velocity calculation unit, after a sensor starts detecting the ground motion caused by an earthquake. The prediction formula is: MMIvp=αvlog10(Vumax)+βv.
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