A Quiz on Earthquakes

The type of graph obtained from a seismograph is

• a linear graph

• a distance-time graph

• a non-linear graph

• a wave graph

Which instrument is used to measure an earthquake?

• Seismograph

• Seismogram

• Seismology

• Seismic wave

The movement of Earth's plates causes

• earthquakes

• tsunamis

• landslides

• all of these

The earthquake of which magnitude destroyed San Francisco in 1906?

• 9

• 6

• 7

• None of these

Rann of Kutch is not an earthquake-prone area in India.

• True

• False

The strength of the earthquake is maximum at the

• focus

• epicentre

• seismic zone

• All of these

Which of the following is NOT an after-effect of an earthquake?

• Flood

• Tsunami

• Landslide

• Hurricane

The frequency of vibration of the vibrating rod in a seismograph depends on

• the vibration of the pendulum

• the power of the seismic waves

• the movement of the tectonic plates

• None of these

One should stand near a building during an earthquake.

• True

• False

An increase of ___ in magnitude means 1000 times more destructive energy.

• 1

• 2

• 3

• None of these