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Scientists studying the first jolts of an earthquake believe they have found the key to providing early warnings of imminent danger from a big one -- enough to give a few precious seconds to allow people to duck for cover before the earth shudders violently beneath them.
Their findings are by no means merely another in a long line of fanciful earthquake prediction claims but are based on careful study of the physics and different frequencies of the different waves that all quakes generate, the researchers say.
Shake Rattle and Roll
and within seconds predicts the size of the violent high-energy waves that follow more slowly through the earth. Those waves become the major source of destruction
Originally posted by Relentless
Excuse my ignorance, but can you elaborate on a gravity wave? Is it a localized phenomenon? Is there any correlation to one occurring and being able to pinpoint where a repercussion may be? What causes it?