© T.A. Kotenko, L.V. Kotenko

Institute of Volcanology and Seismology, FEB RAS , Petropavlovsk-Kamchatski, 683006, Russia

Happen to given about changes to condition hydrothermal manifestations of the Ebeko volkan in north part Vernadskogo ridge (Paramushir island, Northern Kuriles). It is the used material of the expeditionary work in 2001-2004. Communicates about appearance thermal platform in crater of the Krasheninnikov volcano, not shown volcanic activity at history period. It is made calculation of the heat flow (the gas-steam stream and hot water) by Ebeko and Krasheninnikov volcanoes.