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Development of seismology

By Lolo4979
  • First seismocope
    132 BCE

    First seismocope

    The earliest seismoscope was invented by Chinese philosopher, Chang Heng.
  • Period: 132 BCE to

    Seismology

  • John Winthrop

    John Winthrop

    Winthrop is one of the first to study earthquakes.
  • Robert Mallet

    Robert Mallet

    Mallet is often referred to as the father of seismology due to his work. He developed the theory that earthquakes move outward from a central fixed point.
  • Grove Gilbert

    Grove Gilbert

    Gilbert discovers that earthquakes usually occur near a fault line.
  • First seismograph

    First seismograph

    Fillippo Cecchi develops the first true seismograph in Italy.
  • John Milne develops a seismometer

    John Milne develops a seismometer

    John Milne develops a seismometer.
  • Mercalli intensity scale

    Mercalli intensity scale

    Giuseppe Mercalli creates a scale that measures the likelihood of damage caused by an earthquake. The one below is a modified version by Harry O Wood and Frank Neumann in 1931.
  • International recorded earthquake

    International recorded earthquake

    A seismograph recorded a earthquake in Japan from Germany.
  • The Great San Francisco Earthquake

    The Great San Francisco Earthquake

    The Great San Francisco Earthquake killed over 3,000 people even though it only lasted a minute.
  • Moho boundary

    Moho boundary

    Andrija Mohorovii discovers that there is a boundary between the Earth’s crust and mantle.
  • The Richter Scale

    The Richter Scale

    Charles Richter creates the Richter Scale to determine the magnitude of earthquakes.
  • Earths inner core

    Earths inner core

    Inge Lehman discovers Earth’s inner core by studying seismic waves.
  • The Great Chilean Earthquake

    The Great Chilean Earthquake

    One of the worst earthquakes ever recorded, earning a 9.1 on the Richter scale, was recorded in the city of Valdivia, Chile.