Types of Hazards Classification

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Questions and Answers

What is the main objective of emergency response immediately after an extreme event occurs?

  • To reduce vulnerability to natural hazards
  • To forecast future extreme events
  • To help affected people survive (correct)
  • To increase resilience in non-disaster times

During the Mt. Pinatubo eruption in 1991, what key factor contributed to the relatively low number of casualties?

  • Lack of seismometers around Mt. Pinatubo
  • Pre-event preparedness through early detection and monitoring (correct)
  • Poorly managed monitoring activities
  • Delayed emergency response

Which group is mentioned as more vulnerable due to age when it comes to impacts from natural hazards?

  • Teenagers
  • Young adults
  • Children and elderly (correct)
  • Adults

What role does technology play in reducing vulnerability to natural hazards according to the text?

<p>Withstanding the impacts of the events (A)</p> Signup and view all the answers

Which aspect of governance is highlighted as important for reducing vulnerability to natural hazards?

<p>Policies that reduce vulnerability (B)</p> Signup and view all the answers

What is the core goal of post-event recovery and reconstruction following a natural hazard occurrence?

<p>To get conditions back to normal for affected areas (A)</p> Signup and view all the answers

What is the purpose of the Modified Mercalli Scale (MSK scale) mentioned in the text?

<p>To measure earthquake intensity based on observed effects (B)</p> Signup and view all the answers

Which earthquake mentioned in the text had the highest estimated death toll?

<p>Tangshan, China (1976) earthquake (D)</p> Signup and view all the answers

How many deaths were recorded due to the Michoacan, Mexico earthquake mentioned in the text?

<p>9,500 deaths (D)</p> Signup and view all the answers

What was one of the primary effects mentioned that an earthquake can bring out?

<p>Permanent fault scarps (A)</p> Signup and view all the answers

Which country experienced $500,000 damage to its west coast as a result of an earthquake mentioned in the text?

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

What is the magnitude of the earthquake that occurred on January 26, 2001 in India as mentioned in the text?

<p>Magnitude 8.0 (D)</p> Signup and view all the answers

Which of the following best defines a hazard?

<p>A natural event that poses a threat with respect to elements at risk (B)</p> Signup and view all the answers

What transforms a natural event into a hazard?

<p>Its potential to harm lives (C)</p> Signup and view all the answers

In the context of disaster, what formula represents the combination of vulnerability, hazard, and capacity?

<p>(Vulnerability + Hazard) / Capacity (D)</p> Signup and view all the answers

Which country is NOT listed among the 10 countries exposed to hazards mentioned in the text?

<p>Mexico (C)</p> Signup and view all the answers

When can a hazard be classified as a disaster?

<p>When it actually occurs and harms people (D)</p> Signup and view all the answers

At what point does an event qualify as a disaster?

<p>When at least 20% of the population require emergency aid (D)</p> Signup and view all the answers

Which type of hazard arises directly as a result of human activities?

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

What type of hazard involves physical factors in the environment that put tension and stress on the body?

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

Which type of hazard can be of natural or human-made origin?

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

What is the main cause of an earthquake?

<p>Movement within the earth's crust (D)</p> Signup and view all the answers

Which scale measures the amount of energy released during an earthquake?

<p>Richter Scale (C)</p> Signup and view all the answers

What is a common effect of ergonomic hazards?

<p>Adverse effects on the body's musculoskeletal system (A)</p> Signup and view all the answers

What type of secondary effect is characterized by liquefied soil losing the ability to support structures like roads and houses?

<p>Liquefaction (C)</p> Signup and view all the answers

Which natural events can trigger a tsunami according to the text?

<p>All of the above (D)</p> Signup and view all the answers

What can even moderate ground shaking during an earthquake lead to, based on the text?

<p>Breakage of gas and electrical lines (A)</p> Signup and view all the answers

Which province is mentioned as susceptible to landslide hazards among the top ten at risk to earthquakes?

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

What is the primary triggering mechanism for landslides according to the text?

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

Which province appears in the top ten at risk to earthquakes and earthquake-induced shallow landslides lists?

<p>Ifugao (A)</p> Signup and view all the answers

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