Natural Hazards Indicators Quiz

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Questions and Answers

Which indicator refers to the length of time between the first appearance or warning of an event and its peak?

  • Duration
  • Speed of onset (correct)
  • Magnitude
  • Frequency

In hazard assessment, what does 'duration' refer to?

  • The predictability of natural hazards
  • The recurrence interval of an event
  • The period of time over which an event occurs (correct)
  • The area over which natural hazards affect

What aspect of natural hazards does 'areal extent' describe?

  • How often an event may be expected to re-occur
  • The predictability of natural hazards
  • The area affected by a hazard (correct)
  • The period of time over which hazards occur

What does 'frequency' in hazard assessment refer to?

<p>How often an event of a given magnitude may re-occur (A)</p> Signup and view all the answers

Which indicator relates to the predictability of how natural hazards occur in a given area?

<p>Areal reliability (B)</p> Signup and view all the answers

'Return period' in hazard assessment is associated with which indicator?

<p>'Frequency' (B)</p> Signup and view all the answers

What does the duration indicator refer to?

<p>The length of time between the first appearance or warning of an event and its peak (A)</p> Signup and view all the answers

What does the frequency indicator refer to?

<p>How often an event of a given magnitude may be expected to re-occur (C)</p> Signup and view all the answers

What does the areal extent indicator refer to?

<p>The area that natural hazards affect (A)</p> Signup and view all the answers

What does the areal reliability indicator refer to?

<p>The predictability of natural hazards occurring in a given area (D)</p> Signup and view all the answers

What does the duration of a hazard refer to?

<p>The length of time between the first appearance or warning of an event and its peak (A)</p> Signup and view all the answers

What does the onset indicator refer to?

<p>The period of time over which an event occurs (A)</p> Signup and view all the answers

What does the speed of onset indicator refer to?

<p>The time it takes for a natural hazard event to occur (C)</p> Signup and view all the answers

Which of the following is NOT one of the six indicators used to measure and analyze natural hazards?

<p>Duration (D)</p> Signup and view all the answers

In the context of natural hazards, what does areal extent refer to?

<p>The geographical area affected by a natural hazard event (C)</p> Signup and view all the answers

Which of the following is NOT an indicator used to measure natural hazards?

<p>Severity (B)</p> Signup and view all the answers

What aspect of natural hazards does areal reliability focus on?

<p>The predictability of natural hazard events (A)</p> Signup and view all the answers

Which indicator is associated with the predictability of natural hazard events?

<p>Recurrence rate (D)</p> Signup and view all the answers

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