Fig. 4.

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FP-VCME relations for E > 30 MeV. The magenta ribbons on the Y-axis correspond to the FP range for AD993, AD774/775, 7176 BCE, and 660 BCE (in the clockwise direction) as published by Koldobskiy et al. (2023). The ribbons on the X-axis show the estimated VCME range for the events based on the RMA fit (solid black line) and the upper limit (worst-case scenario; dashed black lines).
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