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There is never much to do without great difficulties. Voltaire |
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For the current week on 12/11
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Sun - moderate
21-4.67 | Fact | G Geomagnetic Storms 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 No deviations from the norm in the radiation environment were recorded. | R Radio Blackouts Weak or minor degradation of HF radio communication on sunlit side, occasional loss of radio contact. Low-frequency navigation signals degraded for brief intervals. | Forecast | G Geomagnetic Storms forecast Weak power grid fluctuations can occur. Minor impact on satellite operations possible. Migratory animals are affected at this and higher levels; aurora is commonly visible at high latitudes (northern Michigan and Maine). | 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
| 3 | +4 | 742 |
Euro exchange rate
 | +1.9539 |  | 91.381 |  |
US dollar exchange rate
 | +1.0914 | | 77.9 | |
Earthquakes monitorMap of earthquakes for the current date - December 11, 2025Reference: Links in the Table "Distribution by Country" position the map to the specified region.
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For 24 hours - 246 earthquakes of magnitude ≥2.0 was recorded in 35 regions of the world, of which with magnitude ≥5.0 - in 3 regions. In Russia - 15 and 0, respectively.
For the current week on 12/11
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