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A LITTLE SOMETHING WORTH KNOWING

A small discovery. Yours to pass on.

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This point on Earth's surface lies directly above an earthquake's focus.

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Your new ahaEpicenter

The epicenter is directly above an earthquake's focus on Earth's surface. Source: Epicenter ↗

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More from Earth Science

A few more worth knowing.

  1. 33This instrument records ground motion from earthquake waves.RECALL
    Seismograph

    The record is a seismogram

    Open this card ↗
  2. 34This imaginary line circles Earth halfway between the poles.RECALL
    Equator

    It is at 0° latitude

    Open this card ↗
  3. 35This reference meridian is defined as 0° longitude.RECALL
    Prime meridian

    It passes through Greenwich

    Open this card ↗