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Table 1.
Geomagnetic storms with Dst < −100 nT during the first 4 years of solar cycle 24 (December, 2008 to November, 2012),
| Year | Time of Dstmin | Dstmin | Driver |
|---|---|---|---|
| 2009 | No events | … | … |
| 2010 | No events | … | … |
| 2011 | August 6, 0300 | −113 nT | Sheath |
| 2011 | September 26, 2300 | −103 nT | Sheath |
| 2011 | October 25, 0100 | −137 nT | Sheath |
| 2012 | March 9, 0800 | −143 nT | Magnetic cloud |
| 2012 | April 24, 0400 | −104 nT | Magnetic cloud |
| 2012 | July 15, 1800 | −133 nT | Magnetic cloud |
| 2012 | October 1, 0300 | −133 nT | Sheath + Magnetic cloud? |
| 2012 | October 8, 1200 | −106 nT | Sheath |
| 2012 | October 9, 0800 | −111 nT | Magnetic cloud |
| 2012 | November 14, 0700 | −109 nT | Magnetic cloud |
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