Shiveluch Volcano (56.65°N, 161.36°E, altitude 3282m) erupted at about 20:00 (UTC) on April 10, 2023.

Ash monitoring by FY-4B at 02:15 (UTC) on April 11 has good consistency with VAAC Tokyo markings.

Image by FY-3D at 02:20 (UTC) on April 11 shows apparent ash clouds over ice covered land.

Ash monitoring by FY-4B at 23:15 (UTC) on April 11 shows the ash clouds extending more than 960km to its south east.

Ash cloud height monitoring by FY-4B at 23:15 (UTC) on April 11 shows ash cloud height at 12~15km near the volcano.