 For comparison, of TNT exploded at the National Shell Filling Factory, and killed 137 people; an explosion at Split Rock, New York, in 1918 killed 50–52 people with of TNT.Reportedly, the explosion also blew the glass out of windows in the Savoy Hotel and almost overturned a taxi in Pall Mall, London, the fires could be seen in Maidstone and Guildford, and the blast was heard up to away, including at Sandringham in Norfolk and along the Sussex coast.Although the blast was heard at a great distance, it was not heard uniformly across the whole intermediate distance, owing to atmospheric effects caused by refraction of the sound waves.