Solar Cycle and Seasonal Distribution of Geomagnetic Storms with Sudden Commencement

Gustavo A. Mansilla


In this brief paper the seasonal and solar cycle distribution of storms with sudden commencement is presented. A correlation between the number of geomagnetic storms by month and monthly sunspot numbers is observed. Also, a pronounced seasonal variation of the occurrence of intense geomagnetic storms and no dependence for moderate geomagnetic storms, which occur more frequently than the intense ones during the solar cycles.

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Earth Science Research   ISSN 1927-0542 (Print)   ISSN 1927-0550 (Online)  Email:

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