A change that deviates from the norm or standard, often occurring in a way that is not uniform.

असामान्य परिवर्तन

English Usage: The irregular alteration of the landscape due to natural disasters can be both awe-inspiring and alarming.

Hindi Usage: प्राकृतिक आपदाओं के कारण परिदृश्य में असामान्य परिवर्तन न केवल आश्चर्यजनक बल्कि चिंताजनक भी हो सकता है।