Earthquakes and Tsunamis

The zone of geological weakness where the earthquake movement occurs is called?

• Failure

• Rock

• Fault

• Fracture

The appropriate scale to measure earthquakes of great magnitude is called:

• Local magnitude (ML)

• Moment magnitude (MW)

Factors indicating the amount of destruction caused by an earthquake

• Duration of shaking

  Distance from the fault

  Local conditions

  Population density

  Building quality

• Magnitude

  Hazard potential

  Building quality

  Moment magnitude

  Energy released

Waves that vibrate at right angles to the direction of travel, similar to a wave that travels along a bent string held between two people is called:

• Primary waves (P-waves)

• Secondary waves (S-waves)

• Rayleigh waves

• Love waves (L-waves)

What are the earthquake forecasting and warning methods?

• Probabilistic methods

  Deterministic methods

• Mathematical method

  Scientific method