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Earthquake

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  • It is the fastest surface wave.
    Love wave
  • A fault that does not display any seismic activity for more than 10,000 years.
    Inactive Fault
  • What causes an Earthquake?
    When a fault suddenly moves, an earthquake occurs.
  • A device used to record earthquakes.
    Seismograph
  • The strength of an earthquake as perceived and felt by the people in a certain locality.
    Intensity
  • The image shown is a
    Reverse Fault
  • PHIVOLCS stands for
    Philippine Institute of Volcanology and Seismology
  • How do faults occur?
    A fault occurs when the rocks are stressed.
  • A series of waves caused by earthquakes or undersea volcanic eruptions.
    Tsunami
  • A type of fault wherein rock layers on opposite sides of a fault slide pass each other horizontally.
    Strike-slip Fault
  • A body wave that can travel in all types of media.
    P waves/ Primary waves
  • Rayleigh waves was discovered by
    Lord Rayleigh/ John William Strutt
  • A vibration from the Earth is caused by a sudden release of energy.
    Earthquake
  • The image shown is a
    Normal fault
  • A break or a fracture in the Earth's crust and along the break there is a significant movement happening.
    Fault
  • Wave which is responsible for the damage and destruction associated with earthquakes.
    Surface waves
  • It is an energy wave that is caused by rapid fracture of the rocks or an explosion deep under the ground.
    Seismic Waves
  • Seismic waves that move down to the interior of the Earth.
    Body waves
  • The image shown is the
    Marikina Valley Fault/ West Valley Fault
  • A fault that is likely to become the source of other earthquakes.
    Active Fault
  • It is a place on the Earth's surface where the earthquake started. It is located above the focus.
    Epicenter
  • It is the energy released by an earthquake.
    Magnitude
  • It is a point beneath the Earth’s surface where the rock breaks and the earthquake starts.
    Focus
  • A body wave that travel only in solid medium.
    S waves/ Secondary waves
  • The data recorded as zigzag lines in a seismograph is called
    seismogram
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