Rainfall measured at 115 millimeters caused streams to overflow and pour down Ta Ca Commune early Sunday.
Fifteen houses were swept away while others collapsed. A four-month old girl was knocked off her mother's arm. Only the mother survived.
Over 50 houses in Ta Ca were flooded and damaged in slushy onslaught.
Water started to recede at noon, leaving behind debris covered with rocks and clay.
Several other houses like the one above were filled with mud and wreckage deposited at their front doors.
A landslide of rocks and clay destroyed a road in Ta Ca and blocked rescue operations from reaching the commune.
As the water receded, residents and local officials began cleaning up.
Eight people including the infant have died and more than 17,400 houses flooded in the central province of Nghe An as side-effects of Storm Noru that made landfall on Wednesday.
Floods sweep through Muong Xen Town of Ky Son District. Video by Van Cuong, Nguyen Hai