conflagration
noun
[ ˌkɒnfləˈɡreɪʃ(ə)n ]
• an extensive fire which destroys a great deal of land or property.
• "tinder-dry conditions sparked fears of a conflagration in many drought-devastated communities"
Origin:
late 15th century (denoting consumption by fire): from Latin conflagratio(n- ), from the verb conflagrare, from con- (expressing intensive force) + flagrare ‘to blaze’.