Fig. 2From: Kusatsu-Shirane volcano eruption on January 23, 2018, observed using JMA operational weather radarsReflectivity images observed by Nagano radar between 10:05 and 10:10 JST on January 23, 2018. Black triangles show summits of Motoshirane and Shirane. Concentric circles show 2, 5, and 10 km from the v (+). Elevations in each panel show elevation angles of Nagano radarBack to article page