Photograph of volcanic lightning at Redoubt during its March 2009 eruption. Credit: Bretwood Higman

Photograph of volcanic lightning at Redoubt during its March 2009 eruption. Credit: Bretwood Higman

Photograph of volcanic lightning at Redoubt during its March 2009 eruption. Credit: Bretwood Higman

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Alka Tripathy-Lang, PhD

Alka Tripathy-Lang is a freelance science writer based in Chandler, Arizona, and holds a Ph.D. in geoscience.
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