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</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</p> Signup and view all the answers

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

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

    What does the areal extent indicator refer to?

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

    What does the onset indicator refer to?

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

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

    <p>Severity</p> Signup and view all the answers

    What aspect of natural hazards does areal reliability focus on?

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

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

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

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