Numerous volcanos in Alaska lack direct monitoring. In this image, taken April 30, 2020, all unmonitored volcanoes are superposed over those that are directly monitored, highlighting the risk posed by this volcanic arc. Credit: Alaska Volcano Observatory

Numerous volcanos in Alaska lack direct monitoring. In this image, taken April 30, 2020, all unmonitored volcanoes are superposed over those that are directly monitored, highlighting the risk posed by this volcanic arc. Credit: Alaska Volcano Observatory

Numerous volcanos in Alaska lack direct monitoring. In this image, taken April 30, 2020, all unmonitored volcanoes are superposed over those that are directly monitored, highlighting the risk posed by this volcanic arc. Credit: Alaska Volcano Observatory

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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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