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In human ignorance, it is very consolotary to consider all that you do not know for nonsense. D. Fonvizin |
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In total, on 12/04/2025
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Sun - strong
33-4.67 | Fact | G Geomagnetic Storms Voltage corrections may be required, false alarms triggered on some protection devices. Surface charging may occur on satellite components, drag may increase on low-Earth-orbit satellites, and corrections may be needed for orientation problems. Intermittent satellite navigation and low-frequency radio navigation problems may occur, HF radio may be intermittent, and aurora has been seen as low as Illinois and Oregon (typically 50° geomagnetic lat.). | S Solar Radiation Storms No deviations from the norm in the radiation environment were recorded. | R Radio Blackouts Limited blackout of HF radio communication on sunlit side, loss of radio contact for tens of minutes. Degradation of low-frequency navigation signals for tens of minutes. | Forecast | G Geomagnetic Storms forecast High-latitude power systems may experience voltage alarms, long-duration storms may cause transformer damage. Corrective actions to orientation may be required by ground control; possible changes in drag affect orbit predictions. HF radio propagation can fade at higher latitudes, and aurora has been seen as low as New York and Idaho (typically 55° geomagnetic lat.). | S Solar Radiation Storms forecast No deviations from the norm in the radiation environment are predicted. | R Radio Blackouts forecast Limited blackout of HF radio communication on sunlit side, loss of radio contact for tens of minutes. Degradation of low-frequency navigation signals for tens of minutes. | |
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Weather - overcast
| 2 | +4 | 758 |
Euro exchange rate
 | +0.7389 |  | 90.59 |  |
US dollar exchange rate
 | +0.4925 | | 77.956 | |
Earthquakes monitorMap of earthquakes for the current date - December 04, 2025Reference: Links in the Table "Distribution by Country" position the map to the specified region.
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For 24 hours - 203 earthquakes of magnitude ≥2.0 was recorded in 41 regions of the world, of which with magnitude ≥5.0 - in 6 regions. In Russia - 20 and 0, respectively.
For the current week on 12/04
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