Earthquake Essentials Quiz

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Test your earthquake knowledge.

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HARIMADHAVAN JAGANNARAYAN

India

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Earthquake Essentials Quiz


Earthquake Essentials QuizVersion en ligne Test your earthquake knowledge. par HARIMADHAVAN JAGANNARAYAN 1 What scale is used today to measure an earthquake's magnitude? a Seismic moment scale b Mercalli intensity scale c Moment Magnitude Scale (Mw) d Richter scale 2 Where do most earthquakes occur? a Only at the equator b In deserts c In the Earth's core d Along tectonic plate boundaries 3 What is an aftershock? a A tsunami triggered by the quake b A loud sound heard after shaking c A larger earthquake before the main event d A smaller quake that follows a larger one. 4 Which building type is most vulnerable during earthquakes? a Unreinforced masonry buildings b Steel-frame skyscrapers c Wood-framed houses d Reinforced concrete buildings 5 Liquefaction occurs when saturated soil what during shaking? a Water drains away from soil b Becomes solid rock c Loses strength and behaves like a liquid d Hardened ground resists shaking 6 What is the hypocenter in an earthquake? a The point where waves reach the atmosphere b The origin of the quake underground c The boundary between crust and mantle d The epicenter (surface point above focus) 7 Which seismic waves travel the fastest? a S-waves b Love waves c P-waves d Surface waves 8 Which technique reduces earthquake damage in buildings? a Base isolation b Ground anchoring c Water dampers d Wind bracing 9 What does the Mercalli scale measure? a Energy released b Depth of focus c Magnitude of the quake d Shaking intensity at a location 10 Which region has the highest earthquake activity? a The Atlantic Ridge b Arctic Circle c The Pacific Ring of Fire d The Indian Ocean Zone 11 What is the point inside Earth where an earthquake originates called? a Hypocenter b Foreshock c Epicenter d Aftershock 12 Which tectonic boundary is most linked to deep, powerful earthquakes? a Divergent boundary b Transform boundary c Hotspots d Subduction (convergent) boundary 13 Which scale measures the energy released by an earthquake? a Moment magnitude scale (Mw) b Beaufort scale c Mercalli intensity scale d Richter scale 14 What is an aftershock? a A weather-related tremor b A volcanic eruption c A larger quake before the main event d A smaller earthquake following the main shock 15 What instrument records ground motion during an earthquake? a Thermometer b Barometer c Seismograph d Anemometer 16 Tsunami is most commonly triggered by what event? a Meteorite impact b Volcanic eruption c Undersea earthquake d Strong wind storm 17 Which seismic wave travels the fastest through solids? a Love waves b P-waves c S-waves d Rayleigh waves 18 Which point on the Earth's surface is directly above the earthquake focus? a Center of the crust b Epicenter c Hypocenter d Seismic station 19 Which construction method helps buildings resist earthquakes? a Base isolation b Heavy brick walls c Tall unbraced frames d Wider elevators 20 What is the recommended action during shaking? a Drop, cover, and hold on b Stand in a doorway c Run outside immediately d Shout for help 21 What mainly causes earthquakes? a Movement of Earth's tectonic plates. b Weather changes c Volcanic eruptions d Moon's gravity 22 What is the point on Earth's surface above where an earthquake starts called? a Fault line b Epicenter c Ground zero d Hypocenter 23 Which type of seismic waves arrive first at the surface after an earthquake? a P-waves (primary waves) b S-waves (secondary waves) c Surface waves d Love waves 24 Which scale is commonly used to measure the size of an earthquake? a Celsius scale b Richter scale c Beaufort scale d Decibel scale 25 What is a smaller quake that happens before a larger one called? a Tsunami b Main shock c Aftershock d Foreshock 26 What should you do during an earthquake? a Run outside b Drop, cover, and hold on. c Ignore it d Stand in doorway 27 Which area around the world is most prone to earthquakes? a The Pacific Ring of Fire b The Arctic Circle c The Amazon Basin d The Sahara Desert 28 Earthquakes can sometimes trigger what natural disaster in coastal areas? a Drought b Tsunami c Hurricane d Flood 29 What equipment do scientists use to record earthquakes? a Anemometer b Barometer c Thermometer d Seismograph 30 What is liquefaction in an earthquake? a Air becomes heavier b Soil loses strength and behaves like a liquid c Water evaporates d Rocks melt into lava

Earthquake Essentials Quiz

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Créé par

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Earthquake Essentials QuizVersion en ligne

par HARIMADHAVAN JAGANNARAYAN

What scale is used today to measure an earthquake's magnitude?

Where do most earthquakes occur?

What is an aftershock?

Which building type is most vulnerable during earthquakes?

Liquefaction occurs when saturated soil what during shaking?

What is the hypocenter in an earthquake?

Which seismic waves travel the fastest?

Which technique reduces earthquake damage in buildings?

What does the Mercalli scale measure?

Which region has the highest earthquake activity?

What is the point inside Earth where an earthquake originates called?

Which tectonic boundary is most linked to deep, powerful earthquakes?

Which scale measures the energy released by an earthquake?

What is an aftershock?

What instrument records ground motion during an earthquake?

Tsunami is most commonly triggered by what event?

Which seismic wave travels the fastest through solids?

Which point on the Earth's surface is directly above the earthquake focus?

Which construction method helps buildings resist earthquakes?

What is the recommended action during shaking?

What mainly causes earthquakes?

What is the point on Earth's surface above where an earthquake starts called?

Which type of seismic waves arrive first at the surface after an earthquake?

Which scale is commonly used to measure the size of an earthquake?

What is a smaller quake that happens before a larger one called?

What should you do during an earthquake?

Which area around the world is most prone to earthquakes?

Earthquakes can sometimes trigger what natural disaster in coastal areas?

What equipment do scientists use to record earthquakes?

What is liquefaction in an earthquake?