The dust cloud from the volcano in Iceland...

Airspace across much of western European has been closed since Wednesday"s eruption, causing major disruption. The dust cloud is moving slowly eastwards and is expected to continue affecting flights for at least the next few days.

"The ministry is carrying out constant monitoring of the situation and canceling flights to European countries where airports have been closed," the spokeswoman said

"Four flights to Kaliningrad have already been canceled."

According to regional departments of the ministry, ash currently falling in the Arkangelsk, Murmansk and Vologda regions in northwestern Russia is not visible.

Iceland sits on a large volcanic hot spot in the Atlantic"s mid-oceanic ridge. The volcano last erupted on March 21. Before that it had been dormant since 1821, when eruptions lasted for two years.

Moscow April 16 (RIA Novosti)