GEOLOGY

Detailed explanation-1: -A slow-onset disaster is defined as one that emerges gradually over time. Slow-onset disasters could be associated with, e.g., drought, desertification, sea-level rise, epidemic disease. A sudden-onset disaster is one triggered by a hazardous event that emerges quickly or unexpectedly.

Detailed explanation-2: -Slow onset events include: * sea level rise; * increasing temperatures; * ocean acidification; * glacial retreat and related impacts; * salinization; * land and forest degradation; * loss of biodiversity; * desertification. This explicit definition of the types of slow onset events is contained in decision 1/CP.

Detailed explanation-3: -Slow-onset disaster is such type of disaster that occurs slowly and slowly over time. Whereas, Rapid onset disaster is a disaster that occurs rapidly without any warning. Based upon origin/cause, disasters are of two types, Natural disasters, and man-made disasters.

Detailed explanation-4: -A calamity that strikes suddenly and unexpectedly is known as a sudden-onset disaster. Tornado, Tsunami and Earth Quake are all sudden-onset disaster.