12:58 a.m. ET — The time when an unattended tanker train started rolling downhill from the village of Nantes toward Lac-Megantic.
11.6 — The distance in kilometres that the train travelled from Nantes to Lac-Megantic, according to the Transportation Safety Board (TSB).
104.6 — The speed in km/hr the uncontrolled train was travelling before impact, according to the TSB.
1:15 a.m. ET — The time when the runaway train crashed into Lac-Megantic and set off the first explosion.
72 — The number of oil-filled tanker cars on the ill-fated train.
63 — The number of oil-filled tanker cars that derailed, according to the TSB.
60 — The number of derailed tanker cars that released crude oil into the environment, according to the TSB.
5.98 million — The number of litres of volatile crude oil estimated to have been released into the soil, water and air.
5,932 — The number of people who lived in Lac-Megantic in 2011, according to the census.
47 — The number of people killed in the catastrophe.
3 — The number of people each facing 47 charges of criminal negligence causing death (railway employees Thomas Harding, Richard Labrie and Jean Demaitre).
1 — The number of companies facing 47 charges of criminal negligence causing death (the insolvent Montreal, Maine and Atlantic Railway Ltd.).