Earthquake Basics

What is the primary cause of most earthquakes?

• Volcanic eruptions

• Tectonic plate movements

• Meteor impacts

• Human activities

Which scale is commonly used to measure the magnitude of earthquakes?

• Richter scale

• Beaufort scale

• Celsius scale

• Kelvin scale

What is the term for the point on the Earth's surface directly above the earthquake's origin?

• Hypocentre

• Epicentre

• Focus

• Fault line

What is the name of the instrument used to detect and record earthquakes?

• Thermometer

• Barometer

• Seismograph

• Anemometer

Which of the following is NOT a common effect of an earthquake?

• Ground shaking

• Tsunamis

• Tornadoes

• Landslides

What is the term for the initial point where an earthquake rupture starts?

• Epicentre

• Hypocentre

• Fault line

• Seismic wave

Which of the following is a long-term effect of earthquakes?

• Immediate ground shaking

• Aftershocks

• Tsunamis

• Permanent changes in the landscape

Which of the following is a common sign that an earthquake might occur?

• Sudden drop in temperature

• Unusual animal behaviour

• Heavy rainfall

• Increased wind speed

What is the name of the boundary where two tectonic plates meet?

• Fault line

• Plate boundary

• Seismic zone

• Epicentre

Which type of seismic wave is the fastest?

• Primary waves (P-waves)

• Secondary waves (S-waves)

• Surface waves

• Rayleigh waves