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Earth, Planets and Space
Fig. 6 | Earth, Planets and Space

Fig. 6

From: 2014 Mount Ontake eruption: characteristics of the phreatic eruption as inferred from aerial observations

Fig. 6

Distribution of impact craters generated by ballistic ejecta. Zone A: N ≥ 10 impact craters per 5 × 5 m, Zone B: 9 ≥ N ≥ 3, Zone C: 2 ≥ N > 0, Zone D: N = 0. The dotted line in the middle shows the long axis of the distribution of impact craters. The topographic base map was produced using a GSI map issued by the Geospatial Information Authority of Japan

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