Volcano of classifying magmatic volcanoes is by their frequency of eruption, with those that erupt regularly called active, those that have erupted in historical times but are now quiet called dormant or inactive, and those that have not erupted in historical times called extinct. However, these popular classifications—extinct in particular—are practically meaningless to scientists. They use classifications which refer to a particular volcano's formative and eruptive processes and resulting shapes. There is no consensus among volcanologists on how to define an "active" volcano. The lifespan of a volcano can vary from months to several million years, making such a distinction sometimes
What Are The Theosophists? What Are The Theosophists? "What Are The Theosophists?" is an editorial published in October 1879 in the theosophical magazine "The Theosophist." It was compiled by Helena Blavatsky and it was included the 2nd volume of the "Blavatsky Collected Writings." Arnold Kalnitsky wrote in his thesis that in this article "we find a rather expansive statement of... [Blavatsky's] thoughts at that moment about the status of the movement, the Theosophical Society, its objectives, and the issues it was confronting." He wrote that the article begins with a question whether the Theosophists "are they what they claim to be": researchers of the