Q:

What are the different types of earthquakes?

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Quick Answer

The three main types of earthquakes are transform, convergent and divergent. Transform fault earthquakes are sometimes called strike-slip earthquakes because they occur when tectonic plates slide against one another. Convergent earthquakes occur when land masses are thrust toward each other, while divergent earthquakes occur when plates are moving apart.

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Full Answer

The cause or source zone is sometimes used as a way to categorize earthquakes. When earthquakes are categorized by cause, types include tectonic earthquakes, volcanic earthquakes and explosive earthquakes. Explosive earthquakes are often man-made, and the two terms may be used interchangeably. When source zone is used to categorize earthquakes, the primary earthquake types are shallow-fault, deep zone and crustal earthquakes.

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Related Questions

  • Q:

    What country has the most earthquakes?

    A:

    Indonesia generally is considered to the country with the most earthquakes. Indonesia possesses this distinction because it lies in what is considered to be a highly active seismic zone.

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  • Q:

    Why do earthquakes happen?

    A:

    Earthquakes are the result of two of the Earth's crustal plates slipping past each other, otherwise known as plate tectonics. The vibrations caused by this sudden movement reverberate through the surrounding rock structures, and they are felt as tremors. Earthquakes are most common among the geologically active regions at the borders between plates of the Earth's crust, also known as fault zones.

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  • Q:

    What causes earthquakes?

    A:

    The surface of the earth is called the crust, and it is made up of plates, called tectonic plates, that move. Earthquakes happen when these plates bump, scrape or drag against each other.

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  • Q:

    When do earthquakes occur?

    A:

    Earthquakes are usually triggered when rock located beneath the ground, on top of fault lines, breaks and suddenly releases a significant amount of energy. The immediate and rapid release of energy caused by earthquakes generates seismic waves, which cause shaking motions that start below the Earth’s surface and spread across large distances.

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