Klyuchevskoy (Kamchatka): (1 Jun) The effusive-explosive eruption of the volcano continues with little changes at moderately high levels. The lava flow on the SE flank remains active, is about 2 km long and branches off into two main arms. At the summit crater, near-continuous strombolian explosions produce ash plumes that reach about 1 km above the summit and mostly drift into easterly…