Geomagnetism

Geomagnetism is the study of the dynamics of the Earth’s magnetic field, which is produced in the inner core. The Earth’s magnetic field is predominantly a geo-axial dipole, with north and south magnetic poles located near the geographic poles that undergo periodic reversals and excursions.

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Latest Research and Reviews

News and Comment

  • News & Views |

    Water that has been carried deep into the Earth by oceanic plates in subduction zones, can influence earthquakes and volcanic eruptions. Three-dimensional images of electrical resistivity derived from electromagnetic geophysical data provide new constraints on the distribution, transport, and storage of water in the Cascadia subduction zone.

  • Comments & Opinion
    | Open Access

    Processes within the Earth shape and influence the surface environment and the emergence and evolution of life. Our Editorial board members outline recent advances and future directions in our attempt to understand the history of our planet and its environment.

    • João C. Duarte
    • , Mojtaba Fakhraee
    •  & Claire I. O. Nichols
  • Editorial |

    The first marsquakes detected by NASA’s InSight mission mark just the start of seismology on Mars. Both Earth and planetary scientists alike should embrace this new frontier of geophysics.

  • Editorial |

    Explorer-naturalist Alexander von Humboldt’s contributions to the fields of ecology, global change and geoscience fundamentally altered the way we view the natural world and our place in it. On the 250th anniversary of his birth, we look back over his life and compile a collection of articles inspired by his legacy.