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EARTHQUAKE PRECURSOR RESEARCH |
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Kamchatka 10/05/99
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The following pages will show the detection
times of recent worldwide earthquakes as recorded by Elfrad
Taiwan Region 20Sep1999 17:47:19.0 23.8N 121.1E 33 MS=7.6
Due to the large magnitude of the earth movement and electricial activity, this precursor was detected over 151 minutes before the beginning of the event. The distance from the receive site was 13045 kilometers using through the earth detection techniques. Note the amplitude at the left of the scale. The Elfrad detectors indicated an alert stage at 15:15:53 when the amplitude reached 100 millivolts peak to peak in a predetermined time period.
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