Disaster Readiness and Risk Reduction Finals
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Questions and Answers

Which hydro-meteorological hazard indicates below-average sea surface temperatures in the Equatorial Pacific?

  • Storm surge
  • El Niña (correct)
  • El Niño
  • Thunderstorm
  • What phenomenon causes abnormal sea level rise during tropical cyclones?

  • El Niña
  • Storm surge (correct)
  • Thunderstorm
  • El Niño
  • El Niño is associated with a periodic cooling of sea surface temperatures in the Pacific Ocean.

    False

    What is the term for the overflow of water onto normally dry land during heavy rain?

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

    A ______ occurs due to strong winds and low atmospheric pressures during tropical cyclones.

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

    Which of the following is NOT considered a hydro-meteorological hazard?

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

    Match the following hydro-meteorological hazards with their definitions:

    <p>El Niño = Periodic warming of sea surface temperatures El Niña = Periodic cooling of sea surface temperatures Flood = Overflow of water onto normally dry land Thunderstorm = Localized storm producing lightning and thunder</p> Signup and view all the answers

    A thunderstorm typically brings dry weather and low winds.

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

    Which secondary effect of an earthquake is described as the collapse of buildings caused by earthquake vibrating water-saturated fill or unconsolidated soil?

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

    Loss of lives is considered a secondary hazard caused by an earthquake.

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

    What is the phenomenon called where soil density decreases due to tectonic activity?

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

    Liquefaction is caused by ___________.

    <p>decreasing density or compactness of soil</p> Signup and view all the answers

    Which of the following is NOT a secondary hazard caused by an earthquake?

    <p>Loss of lives</p> Signup and view all the answers

    Match the following causes to their effects:

    <p>Movement of tectonic plates = Shifting of bedrocks Motion along Earth's fault = Ground shaking Decreasing soil density = Liquefaction Vibrating water-saturated fill = Collapse of structures</p> Signup and view all the answers

    Smoke alarms are effective only when they are tested every month.

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

    What colors are used on signs for firefighting equipment?

    <p>Black pictogram on a red background</p> Signup and view all the answers

    What is the term used for the rocks that are ejected into the air by an erupting volcano?

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

    What do you call the streams of molten rock that are poured or oozed from an erupting vent of a volcano?

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

    Pyroclastic flows consist of chunks of solidified lava only.

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

    During an earthquake, you should __________ if you are inside a building.

    <p>Duck, cover, and hold on</p> Signup and view all the answers

    What is a primary hazard caused by an earthquake?

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

    Which of the following is NOT a cause of earthquake?

    <p>Changing of soil density</p> Signup and view all the answers

    Match the following volcanic materials with their descriptions:

    <p>Ballistic projectile = Volcanic material ejected with force Lava flow = Stream of molten rock Pyroclastic flows = High-density mix of ash and gas Ash fall = Fragments of pulverized rocks and minerals</p> Signup and view all the answers

    Which seismic activity should you be concerned about if you are near the coast after an earthquake?

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

    Which hydro meteorological hazard is characterized by localized storm clouds that produce lightning and thunder?

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

    Volcanic craters are ideal environments for sinkholes to occur.

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

    What is the term for the depression in the ground that results from the collapse of the surface layer of the soil?

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

    A natural agent of erosion that flows and loosens the soil is known as __________.

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

    Match the following terms with their definitions related to geohazards:

    <p>Sinkhole = Depression from soil collapse Landslide = Downward ground movement caused by gravity Volcanic gases = Gases emitted by an active volcano Ballistic projectile = Rocks ejected by a volcanic eruption</p> Signup and view all the answers

    Which of the following is not a condition for a landslide to occur?

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

    Landslides can occur without the influence of gravity.

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

    What is the collective term for the gases given off by an active volcano?

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

    Study Notes

    Disaster Readiness and Risk Reduction (DRRR) Finals Reviewer

    • El Niño is a large-scale ocean-atmosphere climate interaction characterized by a periodic warming of sea surface temperatures across the central and east-central Equatorial Pacific.
    • El Niña is characterized by periods of below-average sea surface temperatures across the east-central Equatorial Pacific.
    • Storm surge is an abnormal sea level rise during tropical cyclones ("bagyo"). It's caused by strong winds and low atmospheric pressures within tropical cyclones.
    • Thunderstorm is a localized storm cloud that produces lightning and thunder, often bringing heavy rain and strong gusty winds.
    • Flood is the overflow of water onto normally dry land in existing waterways, like rivers, streams, or ditches.
    • Landslides are downward ground movements on sloping terrain, caused by gravity. A scientific term for this is "landslip".
    • Sinkholes form when the surface layer of soil collapses. They are an ideal environment within saturated limestones, salt beds and sedimentary deposits, but not within volcanic craters.
    • Liquefaction is a secondary hazard caused by an earthquake where water-saturated fill or unconsolidated soil causes building collapse.
    • Tsunamis are large waves in a body of water, generally caused by underwater earthquakes, and are not a secondary hazard caused by an earthquake.
    • Volcanic gases are the collective term for gases given off by an active volcano.
    • Ballistic projectile is the term for rocks directly ejected from a volcano's vent with force and trajectory.
    • Lava flow describes the streams of molten rock that pour or ooze from a volcano's erupting vent.
    • Pyroclastic flow is a high-density mix of hot lava blocks, pumice, ash and volcanic gas.
    • Ash fall is composed of fragments of pulverized rocks, minerals, and volcanic gas created during volcanic eruptions.
    • Earthquake safety while inside a building requires ducking, covering, and holding on; running outside immediately or going to an open space is less effective.
    • Ground shaking is a primary hazard caused by an earthquake. Other primary causes are motion along fault lines and tectonic plate movement.
    • Causes of Earthquakes include the movement of tectonic plates, motion along Earth's faults, and shifting of bedrocks. Factors, like changing soil density (subsidence), are not primary causes.
    • Proper Function of Smoke Alarms requires working properly, having working batteries, and testing monthly.
    • Power strip electrical cord replacement criteria include cracked, frayed, and discolored cords. Replacing your power strip by having used every outlet is not a reason.
    • Firefighting Equipment Signs use white pictograms on a red background.
    • Warning Signs have a triangular shape.
    • Fire Triangle consists of oxygen, heat, and fuel (flammable material).
    • Extinguishing Class A Fires use agents like water, dry powder, and foam, but Carbon Dioxide is NOT effective.

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    Prepare for your finals in Disaster Readiness and Risk Reduction with this comprehensive review quiz. Covering key topics such as El Niño, storm surges, and landslides, this quiz will help reinforce your knowledge of disaster management concepts. Test your understanding and identify areas for improvement before the exam.

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