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World map showing areas of increased dose rates due to solar protons represented by contour lines (top left) and the areas of the corresponding D-indices (top right) at maximum exposure which was reached at 03:10 UTC, about 15 min after the onset of the event. The initial hot spots had leveled out according to the geomagnetic latitude (bottom) at 03:35 UTC, about 40 min after the onset of the event, and the derived global DG-index declined from D5 to D3.
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