HAZARD RISK ANALYSIS MATRIX EXTREME CATA- DISASTER STROPHY RISK HIGH DISASTER RISK CRITICAL occurs LEVEL it if SOME event RISK SEVERE DAMAGE the LOW from DISASTER RISK PROBABLE MODERATE resulting VERY LOW DISASTER MINOR RISK RARE UNLIKELY POSSIBLE LIKELY IMMINENT LIKELIHOOD of event occurring in the country Using the Risk Matrix Definition of probability levels used for this exercise follow on the next page: terms for use in this exercise DEFINITION OF LIKELIHOOD Rare Unlikely Possible Likely Imminent Very unusual event Unusual event not Occasional event Regular event Scientifically not expected to expected to occur expected to occur expected to occur at predicted or occur more more frequently once in every 20 least once in every expected to occur frequently that that once in 100 years (super 10 years.(named within 1- 5 years, once in 500 years years (Massive cyclone) cyclone or flooding) (dam failure) (such as meteorite earthquake in months (some strike or massive some areas) landslides, tsunami in some volcanic eruption) areas) or even days (named cyclone tracking warning).
HAZARD RISK ANALYSIS MATRIX PROBABLE DAMAGE LEVEL resulting from the event if it occurs CATA- STROPHY EXTREME DISASTER RISK CRITICAL HIGH DISASTER RISK SEVERE SOME RISK MODERATE LOW DISASTER RISK MINOR VERY LOW DISASTER RISK RARE UNLIKELY POSSIBLE LIKELY IMMINENT LIKELIHOOD of event occurring in the country Using the Risk Matrix Definition of probability levels used for this exercise follow on the next page: DEFINITION OF LIKELIHOOD terms for use in this exercise Rare Unlikely Possible Likely Imminent Very unusual event not expected to occur more frequently that once in 500 years (such as meteorite strike or massive tsunami in some areas) Unusual event not expected to occur more frequently that once in 100 years (Massive earthquake in some areas) Occasional event expected to occur once in every 20 years (super cyclone) Regular event expected to occur at least once in every 10 years.(named cyclone or flooding) Scientifically predicted or expected to occur within 1- 5 years, (dam failure) months (some landslides, volcanic eruption) or even days (named cyclone tracking warning).