USU VOLCANO, SW Hokkaido (42o32'N, 140o51'E) (6/01/00) The eruption continued, though the activity level has declined. Eruption cloud of white color is emitted from craters in the Kompirayama and West-Nishiyama area. Small explosions that were being observed in the West-Nishiyama in the late-April, intermittently take place just above the craters in the Kompirayama area, and cinders (or mud ) ...