Reading Risk Matrices

What is the primary purpose of a risk matrix?

• To predict weather patterns.

• To prioritize risk management.

• To calculate insurance costs.

• To measure rainfall.

Which type of hazard typically requires immediate attention and mitigation strategies?

• Low likelihood, low impact

• Low likelihood, high impact

• High likelihood, low impact

• High likelihood, high impact

Tags

NGSS.MS-ESS3-2

What does a green zone typically indicate on a risk matrix?

• Moderate risk requiring monitoring.

• High risk requiring immediate action.

• Low risk requiring minimal attention.

• Critical risk requiring evacuation.

Flash floods have occurred frequently in the past and are expected to occur again.
The majority of flooding events have caused reversible impacts on resident health and some injuries requiring medical treatment. The effects of these events incur low economic costs.

Based on the information above, what is the risk level for flooding?

• Low Risk (L)

• Moderate Risk (M)

• High Risk (H)

• Extreme Risk (EX)

Tags

NGSS.MS-ESS3-2

Earthquakes have occurred frequently in the past and are expected to occur again.
These events have caused multiple fatalities and incurred high economic costs.

Based on the information above, what is the risk level for earthquakes?

• Low Risk (L)

• Moderate Risk (M)

• High Risk (H)

• Extreme Risk (EX)

Tags

NGSS.MS-ESS2-3

NGSS.MS-ESS3-2

Tornadoes have occurred infrequently in the past and may occur again under the right circumstances.
Past tornado events have incurred little to no cost from damage or impacts on resident health.

Based on the information above, what is the risk level for tornadoes?

• Low Risk (L)

• Moderate Risk (M)

• High Risk (H)

• Extreme Risk (EX)

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS3-2

Hurricanes occur regularly and will continue to occur.
The majority of hurricane events have caused reversible impacts on resident health and some injuries requiring medical treatment, but the effects of these events incur low economic costs.

Based on the information above, what is the risk level for hurricanes?

• Low Risk (L)

• Moderate Risk (M)

• High Risk (H)

• Extreme Risk (EX)

Tags

NGSS.MS-ESS3-2