Using dimensional analysis I estimate that the energy contained in the awful #Beirut explosion was approximately 12 Terajoules = 3 kilotons of TNT. For reference the "Little Boy" dropped on #Hiroshima was ~13-18 kilotons of TNT. #orderofmagnitudephysics pic.twitter.com/Pfhew7mXwE

— Sina Booeshaghi (@sinabooeshaghi) August 4, 2020