A total of 192 passengers and eight crew were on board the Sibir Airlines Airbus 310, when it overshot the runway at Irkutsk airport and hit a concrete wall before bursting into flames.
"The bodies of 102 people have been recovered from the scene of the disaster," a spokesman said. "Rescue and recovery work is continuing."
The central Emergency Situations Ministry also confirmed the number of fatalities at the moment at 102 and said 54 people were injured.
Prosecutors in the city, which is 5,000km (3,100 miles) east of Moscow and services the popular tourist destination of Lake Baikal, said earlier that 150 people might have died.
A representative of a local hospital said six people were in a serious condition and overall 53 people had been taken into for treatment, including six children.
Most of the survivors were in the tail section when the accident happened.
The flight recorders have been recovered and will be sent to Moscow for analysis.
President Vladimir Putin has instructed his prime minister to form a government commission into the tragedy, and Transportation Minister Igor Levitin is expected to fly into Irkutsk later on Sunday.
On May 3 an Armenian Airbus crashed into the Black Sea with the loss of all 113 passengers and crew.
In 2001, a Russian-made airliner crashed near Irkutsk with the loss of all 145 passengers and crew
