Seismology

The History of Seismology

By Larry3

  • Robert Mallet's Theory

    Robert Mallet's Theory
    Mallet, an Irish engineer and scientist, studied and developed theories about earthquakes. He thought that an earthquake moved outward from a central focal point.

  • Grove Gilbert

    Grove Gilbert
    Grove Gilbert discovered that earthquakes usually center around a fault line.

  • Alfred Wegener

    Alfred Wegener
    Alfred Wegener was the first to introduce the theory of continental drift. His idea was rejected because of lack of evidence until 1950 when enough evidence was found to support his theory.

  • The First U.S. Seismograph

    The First U.S. Seismograph
    The first seismograph was installed in the U.S, near San Fransisco at the Lick Observatory.

  • Hugo Benioff

    Hugo Benioff
    Hugo Benioff was a seismologist. He invented the Benioff seismometer. This device was used to sense the movement of the Earth.

  • Kiyoo Wadati

    Kiyoo Wadati
    Kiyoo Wadati was a seismologist. He researched subduction zone earthquakes. His name is part of the Wadati-Benioff zone.

  • The Mercalli Intensity Scale

    The Mercalli Intensity Scale
    Giuseppe Mercalli was a seismologist who created a device to measure the intensity of damage that may be caused by an earthquake.

  • Harry H. Hess

    Harry H. Hess
    Harry H. Hess was a geologist. He is best known for his work on sea floor spreading.

  • The San Francisco Earthquake

    The San Francisco Earthquake
    A major earthquake caused by the San Andreas Fault that resulted in 3,000 deaths and destruction of San Fransisco.

  • Harry Fielding Reid's Hypothesis

    Harry Fielding Reid's Hypothesis
    Harry Reid hypothesized that earthquakes were likely the result of the build-up of pressure along faults.

  • Andrija Mohorovicic - Moho Boundary

    Andrija Mohorovicic - Moho Boundary
    A boundary between the earth's crust and mantle was discovered by Andrija Mohorovicic.

  • Robert Dietz

    Robert Dietz
    Robert Dietz was a marine geologist, geophysicist and oceanographer. He discovered impact craters from meteors such as the Sudbury Basin. He was also a supporter of the theory of seafloor spreading.

  • Drummond Matthews

    Drummond Matthews
    Drummond Matthews was a British marine geologist and geophysicist. He contributed to the theory of plate tectonics by helping to prove Harry Hess's theory of sea floor spreading.

  • Frederick Vine

    Frederick Vine
    Frederick Vine is a marine geologist and geophysicist. He helped to contribute to Harry Hess's theory of sea floor spreading.