There are three main types of explosions: chemical, mechanical and nuclear. Each type of explosion can be equally devastating and serious, causing unprecedented harm to the surrounding people, atmosphere and infrastructure. Therefore, understanding different types of explosions and how they occur is important.

B. Types of Explosions. There are 4 general types of explosions; Mechanical, Chemical, Nuclear and. Electrical. However, there are only two types of explosions that the first responder or investigator will generally encounter, Mechanical and Chemical and several subtypes within these categories. The types of explosions are generally ...

Explosions can be classiffied as Confined vs. Unconfined, and as discussed below: Deflagration vs. Detonation. The 2 cases of explosion: Vapor Cloud Explosion (VCE) and Boiling Liquid Expanding Vapour Explosion (BLEVE), as also briefly discussed.