| 1. | The disturbance was expected to produce a geomagnetic storm rated G3.
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| 2. | Rapidly fluctuating geomagnetic fields can produce geomagnetically induced currents in pipelines.
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| 3. | The three succeeded in creating the first geomagnetic polarity time scale.
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| 4. | Usually the International Geomagnetic Reference Field is used for this purpose.
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| 5. | During a geomagnetic storm the output may be a hundred times that.
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| 6. | It is actually an oval centered on the geomagnetic poles.
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| 7. | This polarity shifts regularly, a change called geomagnetic reversal.
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| 8. | This polarity shifts regularly in a change called geomagnetic reversal.
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| 9. | There were few immediate reports of damage related to the geomagnetic storm.
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| 10. | His geomagnetic surveys showed that auroral activity was nearly uninterrupted.
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