The 132 meter long, 4190 dwt tanker Volgoneft 151 ran aground on the Svir River near the 954 kilometer mark.  The Volgoneft 151 was en route to Yaroslavl from St. Petersburg when it went out of the fairway.  No reports of injuries.  The Volgoneft 151 sustained damage to its ballast tanks.  The tanker was able to refloat itself and continue to a nearby anchorage awaiting further inspection.