On the earthquake effects in the regime of Pc1 |
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| Institution: | 1. Department of Clinical Medicine, University of Colombo, Sri Lanka;2. Institute of Neurology, National Hospital, Colombo, Sri Lanka;3. Neurology Unit, North Colombo Teaching Hospital, Sri Lanka;4. Neurology Unit, Colombo South Teaching Hospital, Sri Lanka;5. Department of Clinical Neurology, University of Oxford, United Kingdom;1. Department of Drug Sciences, University of Pavia, Viale Taramelli 12, 27100 Pavia, Italy;2. C.S.G.I. and Department of Chemistry, Physical Chemistry Section, University of Pavia, Viale Taramelli 16, 27100 Pavia, Italy;3. Departmento of Chemistry, University of Pavia, Viale Taramelli 10, 27100 Pavia, Italy |
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| Abstract: | While searching for electromagnetic effects of the earthquakes, impulse-type signals in the frequency range of 0–5 Hz preceding the earthquake or following it have been detected. The advance or delay time is from 0 to 5 min. The signals are observed as single or pair impulses. It is supposed that the signals make a significant impact on the state of the magnetosphere and ionosphere. As a result, a sharp change in the regime of Pc1 geomagnetic pulsations is possible. These effects are analyzed on the basis of observations of the geomagnetic pulsations at the Borok Geophysical Observatory. |
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