In Sand Land, Beelzebub with the Power of The Night, yells, which causes a massive crater in the ground, and a shockwave. Feat here.
In the last panel, we get a shot of Beelzebub in the center from a faraway distance. The panel is 155px, whereas Beelzebub is 5px. Beelzebub is literally knee height to an average man, knee height is 2ft. so I'll use a height of 0.6096 meters. Distance to object = 0.6096*155/[5*2*tan(70deg/2)]
Result is 13.4942848861 meters, because the blast was omnidirectional, and the shockwave clearly went to and past Shiba, this will be the radius.
Total shockwave yield is 22 Tons of TNT, or City Block Level.
Finding the volume of the blast, we already know the radius, and the height of the crater is the same size as Beelzebub's height.
Volume of a cylinder is 348.73 m^3, 348,730,000 cc.
The dust and portrayal clearly implies pulverization, which is 214.35 j/cc.
Yield is 74,750,275,500 Joules, or roughly 18 Tons of TNT, also City Block Level.