Earthquake

What causes an earthquake?

• Tsunami waves

• Meteorite impacts

• Volcanic eruptions

• Movement of tectonic plates

What is the study of seismic waves called?

• Geology

• Tectonics

• Seismology

• Volcanology

Which type of earthquake is the most common?

• Tectonic earthquakes

• Volcanic earthquakes

• Collapse earthquakes

• Explosion earthquakes

What instrument is used to detect and record earthquakes?

• Seismograph

• Barometer

• Thermometer

• Altimeter

What scale is used to measure the magnitude of an earthquake?

• Moment magnitude scale

• Richter scale

• Fujita scale

• Beaufort scale

What are aftershocks?

• Larger earthquakes that occur first

• Smaller earthquakes following the main shock

• Earthquakes caused by volcanic activity

• Earthquakes that occur underwater

What is the intensity of an earthquake based on?

• The size of the seismic waves

• The observed effects on humans and structures

• The depth of the earthquake

• The location of the epicenter

What type of earthquake occurs due to volcanic activity?

• Collapse earthquakes

• Explosion earthquakes

• Volcanic earthquakes

• Tectonic earthquakes

What happens during a foreshock?

• It is a volcanic eruption

• It is a type of tsunami

• It is a seismic wave

• It is a smaller earthquake before a larger one

What can happen as a result of an undersea earthquake?

• Tsunamis

• Landslides

• Meteor showers

• Volcanic eruptions