Seismological readings analyzed after the bombs indicated energy of between of high explosive material. It is a streamlined steel casing filled with of Tritonal high explosive. The RAF therefore conducted a series of practice drops with high explosive bombs. This is a compilation of published detonation velocities for various high explosive compounds. This dramatically lessens the casualties from shrapnel or high explosive blast. KG 100 dropped magnetic mines and high explosive bombs. These later waves dropped a combination of high explosive and incendiary bombs. The bombers released of high explosive that devastated the town. The SDB carries approximately of AFX-757 high explosive. The bomb weighs , with being the high explosive penetrating warhead. Two types of high explosive projectile were used with the K5. The gun was capable of firing hollow charge, high explosive, and armour piercing rounds. Sites in foreign nations typically had a mix of high explosive and nuclear warheads. The follow-up waves dropped a combination of high explosive and incendiary bombs. These bombs weighed over two tons but carried only of high explosive.