An Elusive Gravity Signal Could Mean Faster Earthquake Warnings - Verve Times

Seismic waves from a big quake are easy to see—think of the classic image of a seismograph, pencil scratching out telltale waves on a rotating paper as the tremor arrives. Even to highly trained eyes, PEGS are just squiggles, indistinguishable from t

Seismic waves from a big quake are easy to seethink of the classic image of a seismograph, pencil scratching out telltale waves on a rotating paper as the tremor arrives. Even to highly trained eyes,… [+3645 chars]

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