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Scientific Discipline Geomagnetically induced currents

Space Science & Space Physics

Editors' Highlights 7 February 2018

Exploring How Space Weather Can Damage Power Grids

A new model of geomagnetically induced currents revisits how space weather damaged a New Zealand grid transformer in 2001, and shows how much worse it could be in a space weather superstorm.
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Space Science & Space Physics

Editors' Highlights 25 January 2018

Mapping Extreme-Value Geoelectric Fields

To help mitigate magnetic storm interference on electric power grid operations, extreme-value geoelectric fields have been mapped across the mid-Atlantic United States.
Read More »
Space Science & Space Physics
Researchers look at the impact of solar storms on midlatitude power grids and how power companies can prepare

Research Spotlight 14 November 2017

Space Weather Threat to Australian Power Networks Assessed

Power companies should be cautious during severe solar storms to maintain the integrity of Australia’s power grid, a new study finds.
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1 Comment

Space Science & Space Physics

Scientific Press Releases 3 October 2017

New Study Highlights ‘Hidden Figure’ of Sun-Watchers

New study highlights ‘hidden figure’ of sun-watchers.
Read More »
Geology & Geophysics
The impact of solar storms on power grids might be determined by the conductivity of the ground.

Research Spotlight 23 May 2017

Ground Surveys Reveal Space Weather Risk to Spain’s Power Grid

A survey of bedrock conductivity across Spain improves predictions of how vulnerable the nation’s power grid is to solar storms.
Read More »
Natural Hazards
Nighttime photograph of the continental United States.

Research Spotlight 13 October 2016

Mapping Geoelectric Hazards Across the United States

Variations in Earth’s magnetic field can induce electric fields in the ground, driving damaging currents through our power grids.
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6 Comments

Space Science & Space Physics
Aurora over Mason City, Iowa, spawned by a geomagnetic storm that started 18 September 1941.

Feature 15 September 2016

The Geomagnetic Blitz of September 1941

Seventy-five years ago next week, a massive geomagnetic storm disrupted electrical power, interrupted radio broadcasts, and illuminated the night sky in a World War II battle theater.
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4 Comments

Space Science & Space Physics

Editors' Vox 10 June 2016

Space Weather Research and Forecasting Act Introduced to Senate

This bill is a welcome and proactive effort to align all federal agencies to act in the nation's best interest when it comes to forecasting and responding to extreme space weather events.
Read More »
Space Science & Space Physics

Research Spotlight 8 February 2016

Space Weather Gains National and International Attention

A heightened understanding of geomagnetic disturbances in a high-tech world encourages policy changes in the United States and abroad.
Read More »

1 Comment

Space Science & Space Physics

Editors' Vox 16 November 2015

GICs: The Bane of Technology-Dependent Societies

Geomagnetically Induced Currents can cause voltage swings, transformer heating, and reactive power loss in high-voltage power transmission systems.
Read More »

5 Comments

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From AGU Journals

Most Shared

Geophysical Research Letters

Tomography from 26 years of seismicity revealing that the spatial extent of the Yellowstone crustal magma reservoir extends well beyond the Yellowstone caldera

Jamie Farrell, et al

Highly Cited

Geophysical Research Letters

Evidence linking Arctic amplification to extreme weather in mid‐latitudes

Jennifer A. Francis, Stephen J. Vavrus

Hot Article

Journal of Geophysical Research: Biogeosciences

Variance and Rate‐of‐Change as Early Warning Signals for a Critical Transition in an Aquatic Ecosystem State: A Test Case From Tasmania, Australia

Kristen K. Beck, et al

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April 2018

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  • News
    • News & Features
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    • Postcards from the Field
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    • Editors’ Highlights
    • Scientific Press Releases
  • Topics & Disciplines
    • Topics
      • Climate Change
      • Hazards & Disasters
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      • Education
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