Т.А. Коtenkо, L.V. Коtеnkо, Е.I. Sandimirova, V.N. Shаpаr', L.F. Тimоfееvа

The article provides data on explosive eruption from January 29 to June 18, 2009 produced by Ebeko Volcano, Paramushir Island. The eruption was produced from Activnaya funnel in Northern crater. The volcano was continuously sending gas-ash cloud to an altitude of 300 to 1000 m above the crater interrupted by sporadic increase in amount of ash inside the jet and increase in its yield. The volcano produced 3 to 15 events per day sending the columns to an altitude of 500 m to 3.7 km. Ebeko produced phreatic event erupting resurgent ash. Total volume of the erupted materials comprised about 19 thousand of tons. The event was preceded by alteration in chemical composition of fumarole gas and considerable increase in its yield caused by a new fumarole field.

Keywords: volcano, Eeko, eruption, explosion, resurgent, phreatic, fumarole, ash.